1. Mathematics Department, University of Peshawar, Peshawar, Pakistan
2. Laboratoire Lmdan, Departement De Mathematiques De Decision, Facultíe des Sciences Economiques et Gestion, Universite Cheikh Anta Diop De Dakar, BP 5683 Dakar Fann, Senegal
3. Department of Industrial Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
4. Chemistry Department, College of Science, King Khalid University, Abha 61413, Saudi Arabia