1. Laboratory of Mathematics and Applications, Department of Mathematics, Faculty of Sciences and Technologies Tangier (FSTT), Abdelmalek Essaadi University, Tetouan, Morocco
2. Department of Mathematics, Faculté Polydisciplinaire de Larache (FPL), Abdelmalek Essaadi University, Tetouan, Morocco
3. Department of Mathematics, Faculté des Sciences (FS), Ibn Tofail University, Kenitra, Morocco
4. Department of Mathematical Sciences, Sciences College of Science, United Arab Emirates University, Al Ain, UAE