1. Department of Mathematics and Statistics, Bacha Khan University, Charsadda, Pakistan
2. Department of Basic Sciences & Islamiat, University of Engineering and Technology, Peshawar, Pakistan
3. Department of Industrial Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
4. Laboratoire Lmdan, Departement de Mathematiques de Decision, Facultíe des Sciences Economiques et Gestion, Universite Cheikh Anta Diop de Dakar, BP 5683 Dakar Fann, Senegal