1. Department of Mathematics, Quaid-i-Azam University, Islamabad 44000, Pakistan
2. Department of Mathematics, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore 641020, India
3. Department of Mathematics, Faculty of Science, University of Tabuk, P.O. Box 741, Tabuk 71491 Saudi Arabia
4. Basic Sciences Department, College of Science and Theoretical Studies, Saudi Electronic University, Jeddah-F, Saudi Arabia
5. Department of Computer Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
6. Department of Mathematics, College of Sciences, King Khalid University, Abha 61413, Saudi Arabia
7. College of Computer Science and Information Technology, Shaqra University, Saudi Arabia
8. Mathematics Department, Al-Qunfudah University College, Umm Al-Qura University, Mecca, KSA