1. Department of Mathematics and Statistics, Hazara University Mansehra, KPK, Pakistan
2. Laboratory of Modeling and Mathematical, Structures Department of Mathematics, Faculty of Science and Technology of Fez, Box 2202, University S.M. Ben Abdellah Fez, Morocco
3. Department of Mathematics, Faculty of Sciences of Rabat, B. P. 1014, Mohammed V University in Rabat, Morocco