**A. SCI-Index and/or Web of Science:**

**A1**. Çevik, A.S., “The Efficiency of Standard Wreath Product”, *Proceedings of the Edinburgh Mathematical Society*, **43(2)**, 415-423 (2000). (**SCI -** **Web of Science**)

**A2**. Çevik, A.S., “The *p*-Cockcroft property of Central Extensions of Groups”, *Communications in Algebra*, **29**(3), 1085-1094 (2001). DOI: 10.1081/AGB-100001668 (**SCI -** **Web of Science**)

**A3. **Çevik, A.S., “The ** ***p*-Cockcroft property of Semi-Direct Products of Monoids”, *International Journal of Algebra and Computation, ***13**(1), 1-16 (2003). **DOI:** 10.1142/S0218196703001298 (**SCI -** **Web of Science**)

**A4. **Çevik, A.S., “Minimal but Inefficient Presentations of the Semi-Direct Product of Some Monoids”,* Semigroup Forum, ***66**(1), 1-17 (2003). DOI: 10.1007/s002330010148 (**SCI -** **Web of Science**)

**A5. **Çevik, A.S., “Efficiency for Self Semi-Direct Products of the Free Abelian Monoid on Two Generators”, *Rocky Mountain Journal of Mathematics*, Vol **35**(1), 47-59 2005. **DOI:** 10.1216/rmjm/1181069767 (**SCI -** **Web of Science**)

**A6. **Çevik, A.S., “One dimension higher of the word problem”, *Mathematica Scandinavica*, Vol. **95 (2)**, 161-171, (2004). (**SCI -** **Web of Science**)

**A7. **Çevik, A.S., “Minimal But Inefficient presentations for self semidirect products of the free abelian monoid on two generators”, *Communications in Algebra*, Vol **35**, 2583-2587, (2007)** DOI:** 10.1080/00927870701327732 (**SCI -** **Web of Science**)

**A8. **Çevik, A.S., (with Fırat Ateş), “The *p*-Cockcroft property of Central Extensions of Groups II”, * Monatshefte Für Mathematik, *Vol **150**(3), 181-191, (2007). **DOI:** 10.1007/s00605-006-0435-3 (**SCI -** **Web of Science**)

**A9. **Çevik, A.S., (with Fırat Ateş), “(Cyclic) Subgroup Separability of HNN and Split Extensions, *Mathematica Slovaca,* Vol. **57**(1), 33-40, (2007). **DOI:** 10.2478/s12175-007-0012-9 (**SCI -** **Web of Science**)

**A10. **Çevik, A.S., (with Fırat Ateş), “Separability and Efficiency under Standard Wreath Products in terms of Cayley Graphs”, *Rocky Mountain Journal of Mathematics*, Vol **38**, Number 3, 779-800, (2008). **DOI:** 10.1216/RMJ-2008-38-3-779 (**SCI -** **Web of Science**)

**A11. **Çevik, A.S., (with Cangül, N., Koruoglu, O.) “The isomorphism between two fundamental groups by Cayley Graphs”, *Advanced Studies in Contemporary Mathematics, *Vol. **17**, No. 1, 17-23, (2008). (**SCI -** **Web of Science**)

**A12. **Çevik, A.S., (with Karpuz, E.G.), "The word and generalized word problem for semigroups under wreath products", *Bull. Math. Soc. Sci. Math. Roumanie Tome* **52**(100) No. 2, 151–160, (2009). (**SCI -** **Web of Science**)

**A13. **Çevik, A.S., (with Fırat Ateş), “Knit products of finite cyclic groups and their applications”, *Rendiconti del Seminario Matematico della Università di Padova,* Vol 121, 1-12, (2009). (**SCI -** **Web of Science**)

**A14. **Çevik, A.S., (with Ivan Gutman, A. Dilek Gungor, S.B. Bozkurt), “Randic Matrix and Randic Energy” *MATCH – Communications in Mathematical and in Computer Chemistry,* Vol **64**(1), 239-250, (2010). (**SCI -** **Web of Science**)

**A15. **Çevik, A.S., (with A. Dilek Gungor), “On the Harary Energy and Harary Estrada Index of a Graph” *MATCH – Communications in Mathematical and in Computer Chemistry,* Vol **64**(1), 281-296, (2010). (**SCI -** **Web of Science**)

**A16.** Çevik, A.S., (with A. Dilek Gungor, Firat Ates, Eylem G. Karpuz, I. Naci Cangul), “*Generalization for Estrada Index*”, Conference Information: 8th International Conference of Numerical Analysis and Applied Mathematics 2010 (ICNAAM 2010), SEP 19-25 2010, Rhodes, GREECE Source: GENERATING FUNCTIONS OF SPECIAL NUMBERS AND POLYNOMIALS AND THEIR APPLICATIONS, Book Series: AIP Conference Proceedings, (Edt.T.E. Simos, G. Psihoyios and Ch. Tsitouras), Volume 1281, pg.1106-1110, 2010. (**Web of Science**)

**A17.** Çevik, A.S., (with A. Dilek Gungor, Firat Ates, Eylem G. Karpuz, I. Naci Cangul), “*A New Example of Deficiency One Groups*”, Conference Information: 8th International Conference of Numerical Analysis and Applied Mathematics 2010 (ICNAAM 2010), SEP 19-25 2010, Rhodes, GREECE Source: GENERATING FUNCTIONS OF SPECIAL NUMBERS AND POLYNOMIALS AND THEIR APPLICATIONS, Book Series: AIP Conference Proceedings, (Edt.T.E. Simos, G. Psihoyios and Ch. Tsitouras), Volume 1281, pg. 1111-1116, 2010. (**Web of Science**)

**A18.** Çevik, A.S., (with A. Dilek Gungor, Firat Ates, Eylem G. Karpuz, I. Naci Cangul), “*On the Norms of Toeplitz and Henkel Matrices with Pell Numbers*”, Conference Information: 8th International Conference of Numerical Analysis and Applied Mathematics 2010 (ICNAAM 2010), SEP 19-25 2010, Rhodes, GREECE Source: GENERATING FUNCTIONS OF SPECIAL NUMBERS AND POLYNOMIALS AND THEIR APPLICATIONS, Book Series: AIP Conference Proceedings, (Edt.T.E. Simos, G. Psihoyios and Ch. Tsitouras), Volume 1281, pg. 1117-1120, 2010. (**Web of Science**)

**A19.** Çevik, A.S., (with A. Dilek Gungor, Firat Ates, Eylem G. Karpuz, I. Naci Cangul), “*On the Efficiency of Semi-Direct Products of Finite Cyclic Monoids by One-Relator Monoids*”, Conference Information: 8th International Conference of Numerical Analysis and Applied Mathematics 2010 (ICNAAM 2010), SEP 19-25 2010, Rhodes, GREECE Source: GENERATING FUNCTIONS OF SPECIAL NUMBERS AND POLYNOMIALS AND THEIR APPLICATIONS, Book Series: AIP Conference Proceedings, (Edt.T.E. Simos, G. Psihoyios and Ch. Tsitouras), Volume 1281, pg. 1121-1124, 2010. (**Web of Science**)

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**A20.** Çevik, A.S., (with A. Dilek Gungor, Dilek Namli, Ahmet Tekcan, I. Naci Cangul), “*Primes in ${\mathbb Z}[exp \frac{2i\pi}{3}]$*”, Conference Information: 8th International Conference of Numerical Analysis and Applied Mathematics 2010 (ICNAAM 2010), SEP 19-25 2010, Rhodes, GREECE Source: GENERATING FUNCTIONS OF SPECIAL NUMBERS AND POLYNOMIALS AND THEIR APPLICATIONS, Book Series: AIP Conference Proceedings, (Edt.T.E. Simos, G. Psihoyios and Ch. Tsitouras), Volume 1281, pg. 1129-1132, 2010. (**Web of Science**)

**A21. **Çevik, A.S., (with Eylem G. Karpuz, Firat Ates, Canan Kocapinar), “Gröbner-Shirshov bases of some monoids”, *Discrete Mathematics, *Vol **311**(1), 1064-1071, (2011).** DOI:** 10.1016/j.disc.2011.03.008 (**SCI -** **Web of Science**)

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**A22. **Çevik, A.S., (with Eylem G. Karpuz), “A new example of strongly $\pi$-inverse monoids”, *Hacettepe Journal of Mathematics and Statistics ,* Vol. **40**(3), 461-468, (2011). (**SCI -** **Web of Science**)* *

* *

**A23. **Çevik, A.S., (with Eylem G. Karpuz, Firat Ates, A. Dilek Maden, I. Naci Cangul), “The next step of the word problem over monoids”, *Applied Mathematics and Computation , *Vol. **218**, 794-798, (2011). **DOI:** 10.1016/j.amc.2011.03.076 (**SCI -** **Web of Science**)* *

* *

**A24. **Çevik, A.S., (with A. Dilek Maden), “Some bounds for extreme singular values of a complex matrix”, *Applied Mathematics and Computation* , Vol. **218**, 762-765, (2011). **DOI:** 10.1016/j.amc.2011.03.073 (**SCI -** **Web of Science**)

**A25. **Çevik, A.S., (with Firat Ates, Eylem G. Karpuz),“*The efficiency of the semi-direct products of free abelian monoid with rank n by the infinite cyclic monoid*”, Conference Information: 9th International Conference of Numerical Analysis and Applied Mathematics 2011 (ICNAAM 2011), SEP 19-25 2011, Halkidiki, GREECE Source: GENERATING FUNCTIONS OF SPECIAL NUMBERS AND POLYNOMIALS AND THEIR APPLICATIONS,Book Series: AIP Conference Proceedings, (Edt.T.E. Simos), Volume 1389, pg. 312-314, 2011. (**Web of Science**)

**A26. **Çevik, A.S., (with Firat Ates, Eylem G. Karpuz),“*Conjugacy for free groups under split extensions*”,Conference Information: 9th International Conference of Numerical Analysis and Applied Mathematics 2011 (ICNAAM 2011), SEP 19-25 2011, Halkidiki, GREECE Source: GENERATING FUNCTIONS OF SPECIAL NUMBERS AND POLYNOMIALS AND THEIR APPLICATIONS, Book Series: AIP Conference Proceedings, (Edt.T.E. Simos), Volume 1389, pg. 361-366, 2011. (**Web of Science**)

**A27. **Çevik, A.S., (with A. Dilek Gungor, Kinkar Das), “On Kirchhoff Index and Resistance-Distance Energy of a Graph”, *MATCH – Communications in Mathematical and in Computer Chemistry,* Vol **67**(2), 541-556, (2012). (**SCI -** **Web of Science**)

**A28. **Çevik, A.S., (with A. Dilek Maden), “A generalization for the clique and independence numbers”, *ELA – The Electronic Journal of Linear Algebra,* *Vol** ***23***, **164-170**, *(2012). (**SCI -** **Web of Science**)

**A29.** Çevik, A.S., (with Eylem G. Karpuz, Firat Ates, Canan Kocapinar), “Grobner-Shirshov bases of the generalized Bruck-Reilly $*$-extensions”, *Algebra Colloquium* Vol **19** (Spec 1), 813-820, (2012). (**SCI -** **Web of Science**)

**A30.** Çevik, A.S., (with I. Naci Cangül, Aysun Yurttaş, Muge Togan),“*Some formulae for the Zagreb indices of graphs*”, Conference Information: 10th International Conference of Numerical Analysis and Applied Mathematics 2012 (ICNAAM 2012), SEP 19-25 2012, Kos, GREECE Source: GENERATING FUNCTIONS OF SPECIAL NUMBERS AND POLYNOMIALS AND THEIR APPLICATIONS Book Series: AIP Conference Proceedings, (Edt. Theodore E. Simos, George Psihoyios, Ch. Tsitouras, Zacharias Anastassi), Volume 1479, pg. 365-367, 2012. (**Web of Science**)

**A31.** Çevik, A.S., (with Eylem G. Karpuz), “Gröbner-Shirshov Bases for Extended Modular, Extended Hecke and Picard Groups”, *Mathematical Notes*, Vol **92**(5), 636-642, (2012) *Published in Russian in Matematicheskie Zametki, *2012, Vol. **92**(5), pp. 699–706. (**SCI -** **Web of Science**)

**A32. **Çevik, A.S., (with E. G. Karpuz), “On the solvability of word problem by Adian graphs”

*Adv. Stud. Contemp. Math. (Kyungshang)*Vol

**22**

**(2), 317-323,**

**(2012). (**

**SCI -**

**Web of Science**)

** A33. **Çevik, A.S., (with A. Dilek Maden and Kinkar Ch. Das), “Sharp upper bounds on the spectral radius of the Signless Laplacian matrix of a graph”, *Applied Mathematics and Computation, *Vol **219**(10), 5025-5032, (2013). **DOI:** 10.1016/j.amc.2012.11.039 (**SCI -** **Web of Science**) ** **

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**A34.** Çevik, A.S., (with N. Akgüneş), “A new bound of radius with irregularity index”,* Applied Mathematics and Computation, *Vol **219**(11), 5750-5753, (2013). DOI: 10.1016/j.amc.2012.11.081 (**SCI -** **Web of Science**)

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**A35.** Çevik, A.S., (with I.N. Cangul and Y. Simsek), “Analysis Approach to Finite Monoids”,* Fixed Point Theory and Applications, *Vol. 2013, Issue 1, **2013**:15 doi:10.1186/1687-1812-2013-15 (**SCI -** **Web of Science**)

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**A36.** Çevik, A.S., (with N. Akgüneş and K.Ch. Das), “On a graph of monogenic semigroups”,* Journal of Inequalities and Applications, *Vol. 2013, **2013**:44 doi:10.1186/1029-242X-2013-44 (**SCI -** **Web of Science**)

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**A37. **Çevik, A.S., (with K.Ch. Das, I.N. Cangul, Y. Simsek), “Some array polynomials over special monoid presentations”,* Fixed Point Theory and Applications, *Vol. 2013, **2013**:44 doi:10.1186/1687-1812-2013-44 (**SCI -** **Web of Science**)

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**A38. **Çevik, A.S., (with K.Ch. Das, M. Togan, A. Yurttas, I.N. Cangul), “The multiplicative Zagreb indices of graph operations”,* Journal of Inequalities and Applications, *Vol. 2013, **2013**:90 DOI 10.1186/1029-242X-2013-90 (**SCI -** **Web of Science**) ** **

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**A39.** Çevik, A.S., (with I.N. Cangul and Y. Simsek), “A new approach to connect Algebra with Analysis: Relationships and Applications between Presentations and Generating Functions”,* Boundary Value Problems, * Vol 2013, **2013**:51 DOI 10.1186/1687-2770-2013-51. (**SCI -** **Web of Science**) ** **

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**A40. **Çevik, A.S., (with E.G. Karpuz, K.Ch. Das, I.N. Cangul), “A new graph based on the semi-direct product of some monoids”,* Journal of Inequalities and Applications,* Vol 2013, **2013**:118 DOI: 10.1186/1029-242X-2013-118. (**SCI -** **Web of Science**) ** **

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**A41. **Çevik, A.S., (with I.N. Cangul, K.Ch. Das and A. Dilek Maden)** **“On the spectral radius of bipartite graphs which are nearly complete”,* Journal of Inequalities and Applications, *Vol 2013, **2013**:121 DOI:10.1186/1029-242X-2013-121 (**SCI -** **Web of Science**) ** **

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**A42. **Çevik, A.S., (with E.G. Karpuz, F. Ates, I.N. Cangul), “The graph based on Gröbner-Shirshov bases of groups”,* Fixed Point Theory and Applications, *Vol. 2013, **2013**:71 DOI:10.1186/1687-1812-2013-71 (**SCI -** **Web of Science)**

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**A43. **Çevik, A.S., (with E.G. Karpuz, J. Koppitz, I.N. Cangul), “Some fixed point results on (Generalized) Bruck-Reilly *-extensions of monoids”,** ***Fixed Point Theory and Applications *2013, **2013**:78 DOI:10.1186/1687-1812-2013-78 (**SCI -** **Web of Science**) ** **

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**A44. **Çevik, A.S., (with V. Lokesha, B.S. Shetty, P.S. Ranjini, I.Naci Cangul), “New bounds for Randic and GA Indices”,* Journal of Inequalities and Applications *2013, **2013**:180 DOI:10.1186/1029-242X-2013-180 (**SCI -** **Web of Science**) ** **

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**A45.** Çevik, A.S., (with A. Dilek Maden and Ivan Gutman), “Bounds for Resistance-Distance Spectral Radius”, *Hacettepe Journal of Mathematics and Statistics,* Vol **42** (1) (2013), 43-50 (**SCI -** **Web of Science**)

**A46. **Çevik, A.S., (with N. Akgunes, Kinkar Ch. Das, I.Naci Cangul), “Some properties on the lexicographic product of graphs obtained by monogenic semigroups”,* Journal of Inequalities and Applications* 2013, **2013**:238 DOI:10.1186/1029-242X-2013-238 (**SCI -** **Web of Science**) ** **

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**A47. **Çevik, A.S., (with A. Dilek Maden), “New Distance-Based Graph Invariants and Relations Among Them”, *Applied Mathematics and Computation, *Vol **219**, 11171-11177 (2013), DOI:10.1016/j.amc.2013.05.024 (**SCI -** **Web of Science**)

**A48. **Çevik, A.S., (with Kinkar Ch. Das, Ivan Gutman, Bo Zhou), “On Laplacian Energy”, *MATCH – Communications in Mathematical and in Computer Chemistry,* Vol **70**(2), 689-696, (2013). (**SCI -** **Web of Science**)

**A49. **Çevik, A.S., (with Kinkar Ch. Das, Kexiang Xu, I. Naci Cangul, Ante Graovac), “On the Harary index of graph operations”,* Journal of Inequalities and Applications,* 2013, **2013**:339 DOI:10.1186/1029-242X-2013-339 (**SCI -** **Web of Science**) ** **

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**A50. **Çevik, A.S., (with Kinkar Ch. Das, I. Naci Cangul), “The number of spanning trees of a graph”,* Journal of Inequalities and Applications,* 2013, **2013**:395 DOI:10.1186/1029-242X-2013-395 (**SCI -** **Web of Science**)

**A51. **Çevik, A.S., (with A. Dilek Maden), “Majorization bounds for signless Laplacian eigenvalues”, *ELA – The Electronic Journal of Linear Algebra,* Vol 26, November 2013, 781-794 (**SCI -** **Web of Science**)

**A52. **“**RETRACTION:** On the Kirchhoff matrix, a new Kirchhoff index, and the Kirchhoff energy”,* Journal of Inequalities and Applications*, 2014, **2014**:424 DOI: 10.1186/1029-242X-2014-424 (**SCI -** **Web of Science**) Çevik, A.S., (with Kinkar Ch. Das, I. Naci Cangul, A. Dilek Maden).

**A53. **Çevik, A.S., (with Kinkar Ch. Das, Ivan Gutman), “On the Laplacian-Energy-Like Invariant”,* Linear Algebra and its Applications, *Vol **442**, 58-68 (2014) **DOI:** 10.1016/j.laa.2013.05.002 (**SCI -** **Web of Science**)

**A54. **Çevik, A.S., (with N. Akgunes and Kinkar Ch. Das), “Some properties on the tensor product of graphs obtained by monogenic semigroups”, *Applied Mathematics and Computation, *Vol **235**, 352-357 (2014), DOI:10.1016/j.amc.2014.03.007 (**SCI -** **Web of Science**)

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**A55.** Çevik, A.S., (with A. Dilek Maden and Nader Habibi), “New bounds for the spread of the signless Laplacian spectrum”, *MIA - Mathematical Inequalities and Applications, *Vol **17**(1), 283-294 (2014), DOI: 10.7153/mia-17-23 (**SCI -** **Web of Science**)

**A56.** Çevik, A.S., (with K.Ch. Das, I. Naci Cangul and A. Dilek Maden), “Minimality over free monoid presentations”, *Hacettepe Journal of Mathematics and Statistics,* Vol **43**(6), 899-913 (2014) (**SCI -** **Web of Science**)

**A57.** Çevik, A.S., (with I. Naci Cangul and Yilmaz Simsek), “Generalizations of q-Apostol Type Eulerian Numbers and polynomials, and their Interpolation Functions”, *Advanced Studies in Contemporary Mathematics (ASCM), *Volume 25, Number 2, April 2015, 211-220. (**Web of Science**)

**A58.** Çevik, A.S., (with E.G. Karpuz, F. Ates, J. Koppitz), “Gröbner-Shirshov bases and embedding of a semigroup in a group”, *Advanced Studies in Contemporary Mathematics (ASCM), * Volume 25, Number 4, October 2015, 537-545. (**Web of Science**)

**A59. **Çevik, A.S., (with E.G. Karpuz, F. Ates), “Gröbner-Shirshov bases of some Weyl groups”,* Rocky Mountain Journal of Mathematics*, Volume 45, Number 4, 1165-1175, (2015) (**SCI -** **Web of Science**)

**A60.** Çevik, A.S., (with N. Akgunes, Kinkar Ch. Das, M. Togan, A. Yurttas, I.N. Cangul), “On the first Zagreb index and multiplicative Zagreb coindices of graphs”, *Analele Stiintifice ale Universitatii Ovidius Constanta, *Vol XXIV Fascicola 1 (2016). (**SCI -** **Web of Science**)

**A61. **Çevik, A.S., (with E.G. Karpuz, F. Ates, I.N. Cangul), “A presentation and some finiteness conditions for a new version of the Shützenberger product of monoids”,* Turkish Journal of Mathematics (TJM)*, Vol 40, 224-233, (2016) DOI: 10.3906/mat-1502-73. (**SCI -** **Web of Science**)

**A62. **Çevik, A.S., (with E.G. Karpuz, F. Ates, I.N. Cangul, E.K. Cetinalp), “On Commutator and Power Subgroups of some Coxeter Groups”,* Applied Mathematics & Information Sciences (AMIS)*, Vol 10(2), 777-783, (2016) DOI:10.18576/amis/100238. **(SCI - Web of Science)**

**A63. **Çevik, A.S., (with S. Topkaya), “A new graph over semi-direct products of groups”, *Filomath* , Vol 30, Number 3, 611-619, (2016). DOI: 10.2298/FIL1603611T (**SCI -** **Web of Science**)

**A64. **Çevik, A.S., (with E.G. Karpuz, F. Ates, E.K. Cetinalp), “Two-sided crossed products of groups”, *Filomath* , Vol 30, Number 4, 1005-1012, (2016). DOI: 10.2298/FIL1604005C (**SCI -** **Web of Science**)

**A65. **Çevik, A.S., (with N. Urlu, E.G. Karpuz, F. Ates, I.N. Cangul), “A note on the Gröbner-Shirshov bases over ad-hoc extensions of groups”, *Filomath *, Vol 30, Number 4, 1037-1043, (2016). DOI: 10.2298/FIL1604037K (**SCI -** **Web of Science**)

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**A66. **Çevik, A.S., (with A.R. Bindusree, I.N. Cangul, V. Lokesha), “Zagreb polynomials of three graph operators”, *Filomath*, Vol 30, Number 7, 1979-1986, (2016). DOI: 10.2298/FIL1607979B (**SCI -** **Web of Science**)

**A67. **Çevik, A.S., (with E.G. Karpuz, F. Ates, I.N. Cangul), “Finite Derivation Type of Graph Products of Monoids”, *Filomath*, Vol 30, Number 7, 1987-1995, (2016). DOI: 10.2298/FIL1607987K. (**SCI -** **Web of Science**)

**A68.** Çevik, A.S., (with K.Ch. Das, A.D. Maden, I.N. Cangul), “On average eccentricity of graphs”,* Proc. Natl. Acad. Sci., India, Sect. A Phys. Sci.*,* *87(1), 23–30, (2017) DOI. 10.1007/s40010-016-0315-8 (**SCI -** **Web of Science**)

**A69.** Çevik, A.S., (with I. Gutman, M. Togan, A. Yurttas, I.N. Cangul), “Inverse Problem for Sigma Index”,* MATCH – Communications in Mathematical and in Computer Chemistry,* Vol **79**(2), 491-508, (2018). (**SCI -** **Web of Science**)

**A70.** Çevik, A.S., (with E. K. Cetinalp, E. G. Karpuz), “Complete Rewriting System for the Shutzenberger Product of *n* Groups”,* Asian-European Journal of Mathematics,* (Accepted). (**ESCI -** **Web of Science**)

**B. Papers published in other indexes and conferences :**

**B1**. Çevik, A.S., “The Efficiency on 2-generators of Semi-Direct Product of Groups”, *Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat*., **48**, 7-13 (1999).

**B2.** Çevik, A.S., (with Figen Açıl Kiraz), “The p-Cockcroft property of the Graph product”, *Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat*., Vol **53** (1) (2004).

**B3. **Çevik, A.S.,(with Özgür, N. Y., Şahin, R.) “The Extended Hecke Groups as a Semi-Direct Product and Related Results”, *Inter. J. of Applied Math. & Statistics, *Vol **13**, No. S08, 63-72, (2008).

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**B4. **Çevik, A.S., (with Eylem Güzel), “On results of the holomorph of a finite cyclic group”, *Selcuk Journal of Applied Mathematics*, Vol. **9**, No. 1, 3-8, (2008).

**B5. **Çevik, A.S., (with Cangül, N.) “Matroids in terms of Cayley Graphs and some related results”, *General Mathematics, *Vol. **17**, No. 2, 87-97, (2009).

**B6.** Çevik, A.S., (with A. Dilek Gungor, E. G. Karpuz, F. Ates), “A New Example of Minimality of Monoids” *AEJM – Asian Europen Journal of Mathematics,* Vol **3**(4), 531-544, (2010).

**B7.** Çevik, A.S., (with E. G. Karpuz and Firat Ates), “Regular and *p*-Inverse Monoids under Schutzenberger products”, *Algebras, Groups and Geometries*, Vol **27**, Number 4, December 2010, 455-470.

**B8.** Çevik, A.S., (with E. G. Karpuz), “Some Decision Problems for Extended Modular Groups” *Southeast Asian Bulletin of Math.,* Vol **35**, 793-804, (2011).

**B9.** Çevik, A.S., (with I.N. Cangul, V. Lokesha, P.S. Ranjini), “Sharp bounds for $SZ$, $PI$ and $GA_2$ indices in terms of the number of triangles” *Ilirias Journal of Mathematics, *Vol **4** Issue 1, 41-49, (2015), ISSN: 2334-6574, URL: http://www.ilirias.com.

**B10.** Çevik, A.S., (with V. Lokesha, R. Shruti, P.S. Ranjini), “On certain topological indices of nanostructures using $Q(G)$ and $R(G)$ operators” *Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat*. **66 **(2), (2018).