Referee for several journals including:

- Advances in Difference Equations

– Arab Journal of Mathematics

– Arab Journal of Mathematical Sciences

– The Arabian Journal for Science and Engineering (AJSE) -Mathematics

– Applicable Analysis and Discrete Mathematics (AADM)

– Applied and Abstract Analysis

– Applied Mathematics and Computation

– Applied Mathematics Letters

- Analysis and Mathematical Physics

– Analele Stiintifice ale Univ. Ovidius Constanta, Ser. Matematica

– An Univ. Oradea, fasc. Mat

– An. St. Univ. Ovidius, Constanta, Seria Matematica

- Bulletin of the Brazilian Mathematical Society

– Bulletin of the Belgian Mathematical Society - Simon Stevin

– Bulletin of the Iranian Mathematical Society

– Bulletin of Mathematical Analysis and Applications

– Communications of the Korean Mathematical Society

– Computer and Mathematics with Applications

– Complex Variables and Elliptic Equations

– Comptes rendus Mathematique

– Ganita

– Filomat

– Hacettepe Journal of Mathematics and Statistics

– Indian Journal of Pure and Applied Mathematics

– Indian Journal of Mathematics

– International Journal of Differential Equations

– International Journal of Mathematics and Mathematical Sciences

– Italian Journal of Pure and Applied Mathematics

– Journal of Applied Analysis

- Journal of Classical Analysis

– Journal of Inequalities and Applications

– Journal of Inequalities in Pure and Applied Mathematics

– Journal of Mathematical Analysis and Applications

- Khayyam Journal of Mathematics

– Kochi Journal of Mathematics

– Kyungpook Mathematical Journal

– Mathematic Scientific Journal

– Mathematica Slovaca

– Mathematical Foundations of Computing

– Matematicki Vesnik

– Mathematical Inequalities and Applications

- MDPI Mathematics

– Novi Sad Journal of Mathematics

– Proceedings of the Jangjeon Mathematical Society

– The Punjab University Journal of Mathematics

– Quaestiones Mathematicae

– RACSAM - Revista de la Real Academia de Ciencias Exactas, F´ ısicas y Naturales. Serie A. Matemáticas

– Soochow Journal of Mathematics

– Southeast Asian Bulletin of Mathematics

– Studia Universitatis Babeş-Bolyai Mathematica

– Tamsui Oxford Journal of Mathematical Sciences