

Liu, B.; Tunç, C. , Pseudo almost periodic solutions for a class of first order differential iterative equations. , Appl. Math. Lett. , 40 : 29–34 , 2015

Tunc,C. , On the stability to a functional Lienard type equation with variable delay by fixed points theory. , Appl. Math. Inf. Sci. (AMIS). , 9, No. 1, : 463472 , 2015

Tunc, Cemil , Instability to vector Liénard equation with multiple delays. , Cubo A Mathematical Journal , 17(1) : 19 , 2015

Tunc, C., Bicer, E. , On the existence of periodic solutions to nonlinear neutral differential equations of first order with multiple delays , Proceedings of the Pakistan Academy of Sciences , 52 (1) : 7984 , 2015

C. TUNC , A note on the bounded solutions to second order
differential equations. , Appl. Math. Inf. Sci. (AMIS). , 8(1), : 393399 , 2014

C.TUNC , On the qualitative behaviors of solutions of some
differential equations of higher order with multiple
deviating arguments , Journal of the Franklin Institute , 351 : 643–655 , 2014

C.Tunc , Instability of a fifth order nonlinear vector delay differential equation with multiple deviating arguments. , U.P.B. Sci. Bull., Series A, , Vol. 76, Iss. 1, : 155162 , 2014

C.Tunç , Asymptotic stability of solutions of a class of neutral differential equations with multiple deviating arguments. , Bull. Math. Soc. Sci. Math. Roumanie. , . Tome 57(105) No. 1, : 121130, , 2014

Tunç, C.; Gözen, M. , Convergence of solutions to a certain vector differential equation of third order. , Abstr. Appl. Anal., , Volume 2014, Article ID 424512, (2014), : 16 , 2014

C.Tunç; E.Biçer , Stability to a kind of functional differential equations of second order with multiple delays by fixed points , Abstr. Appl. Anal. , Volume 2014,Article ID 413037 : 19 , 2014

Graef, John R.; Tunç, C. , Continuability and Boundedness of Multidelay Functional Integrodifferential Equations of the Second Order , Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales. Serie A. Matematicas ,  :  , 2014

C. Tunç , Unstable Solutions to Nonlinear Vector Differential Equations of Sixth Order with Delay. , Appl. Appl. Math. , 9 no. 1, : 330–341. , 2014

C.Tunç , On the uniform asymptotic stability to certain first order neutral differential equations. , Cubo. A Mathematical Journal, , Vol.16, No. 2, : 111–119, , 2014

Tunç, Cemil , Stability and boundedness for a kind of nonautonomous differential equations with constant delay. , Appl. Math. Inf. Sci. , 7, no.2 : 355361 , 2013

C.Tunç , Stability and uniform boundedness in multidelay functional differential equations of third order. , Abstr. Appl. Anal. , Stability and uniform 2013 : Art. ID 248717, 7 pp , 2013

Tunc, Cemil; Ergören, Hilmi , Antiperiodic solutions for a class of fourthorder nonlinear differential equations with multiple deviating arguments. , Azerb. J. Math. , 3, no.1 : 111–126 , 2013

Tunc, Cemil , Stability to vector Lienard equation with constant deviating argument , NONLINEAR DYNAMICS , 73, no.3 : 12451251 , 2013

Tunc, Cemil , Instability to Nonlinear Vector Differential Equations of Fourth Order with Constant Delay , SAINS MALAYSIANA , 42, no.7 : 9991002 , 2013

Tunc, Cemil , Stability and boundedness in multi delay vector Lienard equation , FILOMAT , 27, no.3 : 435445 , 2013

Tunc, cemil , New Results on the Stability and Boundedness of Nonlinear Differential Equations of Fifth Order with Multiple Deviating Arguments , Bull. Malays. Math. Sci. Soc. (2) , 36, no.3 : 671682 , 2013

C. Tunç , Stability and boundedness of the nonlinear differential equations of third order with multiple deviating arguments , Afr. Mat. , 24 , no. 3, : 381–390. , 2013

C.Tunç , On the unstable solutions to functional vector differential equations of the seventh order. , Int. J. Anal. , 2013, Art. ID 973917 : 5 pp. , 2013

C.Tunç , New results on the existence of periodic solutions for Rayleigh equation with statedependent delay. , J. Math. Fund. Sci. , Vol. 45, No. 2, : 154162. , 2013

C. tunç and R. Yazgan , Existence of periodic solutions to multidelay functional differential equations of second order. , Abstract and Applied Analysis. , Volume 2013 (2013), Article ID 968541, : 5 pages. , 2013

C. Tunç and M. Ateş , Tunç, C.; Ateş, M., Boundedness of solutions to differential equations of fourth order with oscillatory restoring and forcing terms. , Discrete Dyn. Nat. Soc. , Volume 2013 (2013), Article ID 758796, : 5 pages., , 2013

C.Tunç , On the instability of a kind of vector functional differential equations of the eighth order with multiple deviating arguments. , Proyecciones.Journal of Mathematics. , 32 (3), : 245258, , 2013

C. Tunç , Instability to differential equations of fourth order with a variable deviating argument. , J. Math. Appl. , 36, : 113119, , 2013

C.Tunç , Instability to nonlinear vector differential equations of fifth order with constant delay. , J. Math. Appl. , 36, : 123130 , 2013

TUNÇ, C. , Qualitative behaviors of functional differential equations of third order with multiple deviating arguments. , Abstr. Appl. Anal. , 2012 : 12pp. , 2012

TUNC, C. , Instability of nonlinear functional differential equations of fifth order. , ITB J. Sci. , 44 A, no.3, : 240252. , 2012

TUNC, C. , An instability theorem for a certain sixth order nonlinear delay differential equation. , J. Egyptian Math. Soc. , 20, no.1, : 43–45 , 2012

Tunç, C., Altun, M , On the integrability of solutions of nonautonomous differential equations of second order with multiple variable deviating arguments , J. Comput. Anal. Appl , 14 (2012), no. 5 : 899908 , 2012

Alzabut, J. and Tunç, C , Existence of Periodic solutions for a type of Rayleigh equation with statedependent delay , Electron. J. Diff. Equ., Vol. 2012 (2012) , No. 77 : pp. 18 , 2012

Tunç, C , New boundedness results for solutions of second order nonautonomous delay differential equations , Journal of Optoelectronics and Advanced Materials. 13 (2011) , no.3 : 302307 , 2011

Tunç, C , On the uniform boundedness of solutions of Liénard type equations with multiple deviating arguments , Carpathian J. Math. 27 (2011) , no. 2 : 269  275 , 2011

Tunç, C , Stability, boundedness and uniform boundedness of solutions of nonlinear delay differential equations , Discrete Contin. Dyn. Syst. Sup. (2011) : 13951403 , 2011

Tunç, C , Instability result of a fifth order nonlinear delay system , Optoelectronics and Advanced MaterialsRapid Communications , 5 ( 2011), no. 9 : 891 894 , 2011

Tunç, C , An instability theorem for a certain fifthorder delay differential equation , Filomat , 25 (2011), no. 3 : 145151 , 2011

Tunç, C , Uniformly stability and boundedness of solutions of second order nonlinear delay differential equations , Appl. Comput. Math , Vol. 10, No.3, (2011) : 449462 , 2011

Tunç, C , On the Instability of Solutions of Nonlinear Delay Differential Equations of Fourth and Fifth Order , Sains Malaysiana 40 (12) , (2011) : 14551459 , 2011

Tunç, C , An instability theorem for solutions of a kind of eighth order nonlinear delay differential equations , World Applied Sciences Journal , 12 (5) : 619623 , 2011

Tunç, C , On the instability of solutions of some fifth order nonlinear delay differential equations , Appl. Math. Inf. Sci. (AMIS) , 5 (2011), no.1 : 112121 , 2011

Tunç, C.; Ayhan, T , New boundedness results for a kind of nonlinear differential equations of third order , J. Comput. Anal. Appl. , 13 (2011), no. 3 : 477484 , 2011

Tunç, C.; Korkmaz, E , On the convergence of solutions of some nonlinear differential equations of third order , J. Comput. Anal. Appl , 13 (2011), no. 3 : 470476 , 2011

Tunç, C , On the qualitative behaviors of some delay differential equations of higher order , J. Franklin Inst , 348 (2011) : 14041415 , 2011

Tunç, C , Stability and boundedness of solutions of nonautonomous differential equations of second order , J. Comput. Anal. Appl , 13 (2011), no. 6 : 10671074 , 2011

Tunç, C , On the instability solutions of some nonlinear vector differential equations of fourth order , Miskolc Mathematical Notes , 11 (2010), no.2 : 191200 , 2010

Tunç, C , Stability and bounded of solutions to nonautonomous delay differential equations of third order , Nonlinear Dynam , 62 (2010), no.4 : 945953 , 2010

Tunç, C , A note on boundedness of solutions to a class of nonautonomous differential equations of second order
, Appl. Anal. Discrete Math , 4 (2010) : 361372 , 2010

Tunç, C , New stability and boundedness results of solutions of Liénard type equations with multiple deviating arguments , J. Contemp. Math. Anal , 45 (2010), no.3 : 4756 , 2010

Tunç, C , On some qualitative behaviors of solutions to a kind of third order nonlinear delay differential equations , Electron. J. Qual. Theory Differ. Equ , No. 12. (2010) : pp. 119 , 2010

Tunç, C , On the stability of solutions of nonlinear differential equations of fifth order with delay
, Math. Commun , Vol. 15, No. 1 : pp. 261272 , 2010

Sirma, A., Tunç, C., Sözen, S , Existence and uniqueness of periodic solutions for a kind of Rayleigh equation with finitely many deviating arguments , Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods , 73, No. 2 : 358366 , 2010

Tunç, C , Boundedness analysis for certain twodimensional differential systems via a Lyapunov approach , Bulletin Mathématique de la Société des Sciences Mathématiques de Roumanie, Tome 53(101) , No. 1 : 18 , 2010

Tunç, C.; Ergoren, H , On the boundedness of a certain nonlinear differential equation of third order , Journal of Computational Analysis and Applications , Vol.12, No.3 : 687694 , 2010

Tunç, C.; Sirma, A , Stability analysis of a class of generalized neutral equations , J. Comput. Anal. Appl , 12 (2010), no. 4 : 754759 , 2010

Tunç, C , On the stability and boundedness of solutions of nonlinear third order differential equations with delay , Filomat , 24 (2010), no. 3 : 110 , 2010

Tunç, C , Some stability and boundedness conditions for nonautonomous differential equations with deviating arguments , Electron. J. Qual. Theory Differ. Equ , No. 1, (2010) : 112 , 2010

Tunç, C , Some new stability and boundedness results of solutions of Liénard type equations with deviating argument , Nonlinear Analysis: Hybrid Systems , 4 (1), (2010) : 8591 , 2010

Tunç, C , Bound of solutions to third order nonlinear differential equations with bounded delay , J. Franklin Inst , 347 (2010), no. 2 : 415425 , 2010

Tunç, C , On the existence of periodic solutions to nonlinear third order ordinary differential equations with delay , J. Comput. Anal. Appl , 12 (1) (2010) : 191201 , 2010

Tunç, C , On the qualitative behaviors of solutions to a kind of nonlinear third order differential equations with a retarded argument , An. Ştiinţ. Univ. ``Ovidius’’ Constanţa Ser. Mat , 17 (2), (2009) : 215230 , 2009

Mustafa, O. G. and Tunç, C , Asymptotically linear solutions of differential equations via Lyapunov functions , Appl. Math. Comput , 215 (8), (2009) : 30763081 , 2009

Tunç, C , On the nonexistence of nontrivial periodic solutions to a class of nonlinear differential equations of eighth order , Bull. Malays. Math. Sci. Soc , (2) 32 (3)(2009) : 307311 , 2009

Tunç, C , The bounded solutions to nonlinear fifthorder differential equations with delay , Computational & Applied Mathematics , Vol 28, No 2 : 118 , 2009

Tunç, C , A new result on the boundedness of solutions to a nonlinear differential equation of fifthorder with delay , Kuwait Journal of Science and Engineering , 36 (1A), (2009) : 1531 , 2009

Tunç, C , On the stability and boundedness of solutions to third order nonlinear differential equations with retarded argument , Nonlinear Dynam , 57 (2009), no. 12 : 97106 , 2009

Tunç, C , Some stability and boundedness results to nonlinear differential equations of Liénard type with finite delay , Journal of Computational Analysis and Applications (JoCAAA) , Vol. 11, No. 4 : 711727 , 2009

Tunç, C , Bounded solutions to nonlinear delay differential equations of third order , Topological Methods in Nonlinear Analysis , Volume: 34 Issue: 1 : 131139 , 2009

Tunç, C , On the Boundedness of Solutions of Delay Differential Equations of Third Order , Arab. J. Sci. Eng. Sect. A Sci , 34 (2009), no. 1 : 227237 , 2009

Tunç, C , On the stability and boundedness of solutions of nonlinear vector differential equations of thirdorder , Nonlinear Analysis Series A: Theory, Methods & Applications , 70 (6), (2009) : 22322236 , 2009

Tunç, C , Stability criteria for certain third order nonlinear delay differential equations , Portugaliae Mathematica , Vol. 66, No.1 : 7180 , 2009

Tunç, C , Instability of solutions for certain nonlinear vector differential equations of fourth order , Nonlinear Oscillations , 12 (2009 ), No. 1 : pp. 120129 , 2009

Tunç, C , On the stability of solutions for nonautonomous delay differential equations of third order , Iranian Journal of Science and Technology. Transaction A. Science , Vol.32, No. A4, (2008) : 261273 , 2008

Tunç, C.; Karta, M , A new instability result to nonlinear vector differential equations of fifth order , Discrete Dynamics in Nature and Society , Volume 2008 (2008), : Article ID 971534, 6 pagesdoi:10.1155/2008/971534 , 2008

Tunç, C , On the boundedness of solutions of delay differential equations of third order , Differential Equations (Differ. Uravn.) , Tom 44, No. 4 : 446454 , 2008

Tunç, C , Further results on the instability of solutions of certain nonlinear vector differential equations of fifth order , Applied Mathematics & Information Sciences , 2(1) (2008) : 5160 , 2008

Tunç, C , A new boundedness theorem for a class of second order differential equations , Arabian Journal for Science and Engineering , AJSE, Volume 33, Number 1A, (2008) : 8392 , 2008

Tunç, C , On the stability of solutions to a certain fourthorder delay differential equation , Nonlinear Dynamics , Volume 49, Numbers 12, (2008) : 7181 , 2008

Tunç, C , On the boundedness of solutions of nonlinear differential equations of fifthorder with delay , Proceedings of Dynamic Systems and Applications , 5 (2008) : 466473 , 2008

Tunç, C , About uniform boundedness and convergence of solutions certain nonlinear differential equations of fifth order , Bulletin of the Malaysian Mathematical Sciences Society , Vol 30, No 1, (2007) : 112 , 2007

Tunç, C , New results about instability of nonlinear ordinary vector differential equations of sixth and seventh orders , Dynamics of Continuous, Discrete and Impulsive Systems; DCDIS Series A: Mathematical Analysis , Volume 14, Number1, (2007) : 123136 , 2007

Tunç, C.; Şevli, H , Stability and boundedness properties of certain second order differential equations , Journal of the Franklin Institute, Engineering and Applied Mathematics , 344(5), (2007) : 399405 , 2007

Tunç, C.; Tunç, E , On the asymptotic behavior of solutions of certain secondorder differential equations , Journal of the Franklin Institute, Engineering and Applied Mathematics , 344 (5) : 391398 , 2007

Tunç, C , An ultimate boundedness result for a certain system of fourth order nonlinear differential equations , Differential Equations and Applications , Vol. 5 (2007) : 163174 , 2007

Tunç, C , Some stability results for the solutions of certain fourth order delay differential equations , Differential Equations and Applications , Vol. 4 (2007) : 133140 , 2007

Tunç, C , Stability and boundedness results on certain nonlinear vector differential equations of fourth order , Nonlinear Oscillations (New York) , Vol. 9, No. 4, Springer US (2006) : 548563 , 2006

Tunç, C , Some new stability and boundedness results on the solutions of the nonlinear
vector differential equations of second order , Iranian Journal of Science and Technology , Transaction A. Science , Vol. 30, No. A2, (2006) : 213221 , 2006

Tunç, C. ; Tunç, E , An instability theorem for a class of eighth order differential equations , Differential Equations (Differ. Uravn.) , Tom 42, No.1, (2006) : 150154 , 2006

Tunç, C.; Ateş, M , Stability and boundedness results for solutions of certain third order nonlinear vector differential equations , Nonlinear Dynamics. An International Journal of Nonlinear Dynamics and Chaos in Engineering Systems , Volume 45, Numbers 34, Date: August 2006 : 273  281 , 2006

Tunç, C , On the stability of solutions of certain fourthorder delay differential equations , Applied Mathematics and Mechanics (English Edition) , Vol.27, No.8 : 11411148 , 2006

Tunç, C , New results about stability and boundedness of solutions of certain nonlinear thirdorder delay differential equations , The Arabian Journal for Science and Engineering , Volume 31, Number 2A : 185196 , 2006

Tunç, C. ; Tunç, E , Instability of solutions of certain nonlinear vector differential equations of order seven , Iranian Journal of Science and Technology , Transaction A. Science , 29 (A3) : 515521 , 2005

Tunç, C , Uniform ultimate boundedness solutions of thirdorder nonlinear differential equations , Kuwait Journal of Science and Engineering , Volume : 32 (1) : 3948 , 2005

Tunç, C , An instability result for certain system of sixth order differential equations , Applied Mathematics and Computation , 157 (2) : 477481 , 2004

Tunç, C , A note on the stability and boundedness results of solutions of certain fourth order differential equations , Applied Mathematics and Computation , 155 (3) : 837843 , 2004

Tunç, C , A study of the asymptotic behaviour of solutions of certain nonautonomous differential equations of the fifth order , Applied Mathematics and Computation , 154 (1) : 103113 , 2004

Tunç, C.; Tunç, E , On the asymptotic behaviour of solutions of certain nonautonomous differential equations , Applied Mathematics and Computation , 151 (2) : 363378 , 2004

Tunç, C , On the asymptotic behaviour of solutions of certain fifthorder ordinary
differential equations
, Applied Mathematics and Mechanics (English Edition) , 24(8) : 893901 , 2003

Tunç, C , A study of the stability and boundedness of the solutions of nonlinear differential equations of the fifth order , Indian J. Pure Appl. Math , 33 , no.4 : 519529 , 2002

Tunç, C , Boundedness and uniform boundedness results for certain nonautonomous differential equations of fourth order , Appl. Math. Mech. (English Ed.) , 22 (11) : 12731278 , 2001

Tunç, C , On the uniform boundedness of solutions of some nonautonomous differential equations of the fourth order. Chinese translation in Appl. Math. Mech. 20, no. 6, 585591 , Appl. Math. Mech. (English Ed.) , 20, no.6 : 622628 , 1999

Tunç, C , On the boundedness and periodicity of the solutions of a certain vector differential equation of thirdorder , Appl. Math. Mech , 20 (2) : 153160 , 1999

Tunc, C.; Tiryaki, A , On the boundedness and the stability results for the solution of certain fourth order differential equations via the intrinsic method , Appl. Math. Mech. (English Ed.) , 17 (11) : 10391049 , 1996

Tiryaki, A.; Tunç, C , Constructing Lyapunov functions for certain fourthorder autonomous differential equations , Indian J. Pure Appl. Math , 26 (3) : 225232 , 1995

Tunç, Cemil Stability and boundedness for a kind of nonautonomous differential equations with constant delay. Appl. Math. Inf. Sci. 7 (2013), no. 1, 355–361. ,  ,  ,  :  , 

Tunc, Cemil , New results on the stability and boundedness of nonlinear differential equations of fifth order with multiple deviating arguments. , Bull. Malays. Math. Sci. Soc. , (2) 36, no.3 : 671–682 , (2013)


Tunç, C , On the stability and boundedness of solutions to certain thirdorder delay differential equations , 37.Annnual Iranian Mathematics Conference Azarbaijan University , TabrizIRAN , September 25, 2006 
Tunc, C , Recent Advances on Qualitative Behaviours of Solutions of Some Differential Equations of Higher Order with Multiple Deviating Arguments , Sohag University , Sohag, Egypt , September 1013, 2011 
Tunc,C , Stability, boundedness and uniform boundedness of solutions solutions of second order nonlinear differential equations , Workshop on Control Theory and Applications , MonastirTunis , November 1922, 2009 
Tunç, C , On the stability and boundedness of solutions of some nonlinear differential equations of fourth and fifthorder with delay , Fifth International Conference on Dynamic Systems and Applications , Morehouse College, Atlanta, Georgia, USA , May 30  June 2, 2007 
Tunç, C , Stability, boundedness and uniform boundedness of solutions solutions of nonlinear delay differential equations , The 8th AIMS Conference on Dynamical Systems, Differential Equations and Applications , Dresden University of Technology, Dresden , Germany , May 25  28, 2010 
Tunç, C.; Karakaş, B , About boundedness of solutions of nonlinear vector differential equations of third order , 14th Summer St. Petersburg Meeting in Mathematical Analysis , Euler International Mathematical Institute St. Petersburg, RUSSIA , June 611 
Tunc, C , On the boundedness and integrability of nonautonomous differential equations of second order with variable deviating arguments , 9th Colloquium on the Qualitative Theory of Differential Equations , Szeged, Hungary. University of Szeged, Bolyai Institute. , June 28  July 1, 2011 
Tunç, C , Nonlinear analysis and Geometric PDE: CIMPA Summer School (Mathematics) , CIMPA Summer School (Mathematics , Tsaghkadzor, Armenia , June 1524, 2008 
Tunç, C , On the qualitative behaviors of solutions of Liénard type equations with multiple deviating arguments , International Conference on Analysis And Applications , Sultan Qaboos University, Muscat, Oman , January 2426, 2010 
Tunç, C , On the qualitative behavior of some delay differential equations of higher order , International Conference of Modeling, Simulation, and Applied Optimization (ICMSAO09) , American University of Sharjah , Sharjah, UAE , January 2022, 2009 
Tunç, C.; Tunç, E , On the asymptotic behavior of solutions of certain secondorder differential equations , International Conference of Modeling, Simulation, and Applied Optimization (ICMSAO05) , Euler International Mathematical Institute, St. Petersburg, RUSSIA , February 13 2005 
Tunç, C.; Tunç, E , On the asymptotic behavior of solutions of certain secondorder differential equations , International Conference of Modeling, Simulation, and Applied Optimization (ICMSAO05) , American University of Sharjah , Sharjah, UAE , February 13 2005 
Tunç, C.; Şevli, H , Stability and boundedness properties of certain second order differential equations , International Conference of Modeling, Simulation, and Applied Optimization (ICMSAO05) , American University of Sharjah , Sharjah, UAE , February 13 2005 
C.TUNC , Fixed points and stability in nonlinear differential equations with variable delay. , “3rd International Conference on Mathematics & Information Science” ,  ,  , LuxorEgypt. , December 2830 
Tunc,C , On the asymptotic stability of solutions of a class of neutral differential equations with deviating argument , Workshop on Nonlinear Analysis and Applications , MonastirTunis , December 1619, 2010 
Tunç, C , On the stability of solutions to certain third and fourthorder delay differential equations , International Congress of Mathematicians, ICM , MadridSPAIN , August 2230, 2006 
Tunc, C , On the Qualitative Behaviors of Solutions of Some Differential Equations with Deviating Argument , Centro de Matematica e Aplicacoes Fundamentais University of Lisbon , PORTUGAL , April 19, 2012 
Tunc, C , Stability and boundedness in multi delay vector Liénard equation , AlgerianTurkish International days on Mathematics 2012 ATIM’2012 University Badji Mokhtar Annaba , Annaba, Algeria , 9  11 October 2012 
Tunç, C , Stability and boundedness of solutions to nonlinear delay differential equations , Conference on Equations Différentielles Ordinaires , Mostaganem, Algeria , 2429 May 2008 
Tunç, C.; Şevli, H , On the instability of solutions of certain fifth order nonlinear differential equations , Bunyakovsky International Conference , KyivUkrainia , 2004 
Tunç, C.; Tunç, E , Some instability theorems for certain third and fourth order nonlinear differential equations , Bunyakovsky International Conference , KyivUkrainia , 2004 
Tunç, C , A result on the asymptotic behaviour of solutions of certain nonautonomus differential equations of the fifth order , XVI. Ulusal Matematik Sempozyumu , Yüzüncü Yıl Üniversitesi, Van , 2003 
Tunç, C , Boundedness and stability results for the solution of certain fourth order autonomus , XIV. Ulusal Matematik Sempozyumu , Anadolu Üniversitesi, Eskişehir , 2001 
Tunç, C , Boundedness and uniform boundedness results for certain nonautonomous differential equations of fourth order , XIII. Ulusal Matematik Sempozyumu , Sabancı Üniversitesi, İstanbul , 2000 
Tunç, C , A study of the stability and boundedness of the solutions of nonlinear differential equations of the fifth order , XII. Ulusal Matematik Sempozyumu , İnönü Üniversitesi, Malatya , 1999 
Tunç, C , A stability result for a certain system of fourth order nonlinear differential equations , X. Ulusal Matematik Sempozyumu , Abant İzzet Baysal Üniversitesi, Bolu , 1997 
Tunç, C , Boundedness and stability results for a certain system of fifth order nonlinear differential equations , IX. Ulusal Matematik Sempozyumu , İstanbul Teknik Üniversitesi, İstanbul , 1996 
Tunc,C , On the existence of periodic solutions of differential equations of higher order , Workshop on Control Theory and Applications , MahdiaTunis , 1519 December, 2012 
C.Tunç , A comparison on the stability of a functional differential equation of second order by fixed point theory and Lyapunov theory. , The Azerbaijan National Academy of Sciences , May 1516, 2014, Baku, Azerbaijan. 
Tunç, C , . World Scientific Review, Vol. 9, World Scientific Series on Nonlinear Science Series B (Book Series) , 105116 , 105116 , 2011 
