1. Department of Mathematics, College of Science Al-Zulfi, Majmaah University, P.O.Box 66, Al-Majmaah 11952, Saudi Arabia
2. Department of Mathematics, Nabeul Preparatory Institute for Engineering Studies, Carthage University, Nabeul, Tunisia
3. Department of Mathematics, Higher School of Sciences and Technologies of Hammam-Sousse, MaPSFA laboratory, Sousse University, 4011, Hammam Sousse, Tunisia