1. Laboratory of Differential Equations, Department of Mathematics, University of Constantine 1, Ain El Bey Road, Constantine P.O. Box 325, Algeria
2. Laboratory of Applied Mathematics and Modeling, Department of Mathematics, University of Constantine 1, Ain El Bey Road, Constantine P.O. Box 325, Algeria
3. Center for Research and Development in Mathematics and Applications (CIDMA), Department of Mathematics, University of Aveiro, 3810-193 Aveiro, Portugal
4. Faculty of Business and Communications, INTI International University, Persiaran Perdana BBN, Putra Nilai, Nilai 71800, Negeri Sembilan, Malaysia