1. Department of Mathematics, Faculty of Science, Islamic University of Madinah, Al Madinah 42351, Saudi Arabia
2. Department of Mathematics, Hajjah University, Hajjah, Yemen
3. Department of Statistics, Taiz University, Taiz, Yemen
4. Department of Statistics, BAMU University, Aurangabad, (M.S), India
5. Department of Mathematics, University of Malakand, Chakdara Dir (Lower), 18000 Khyber Pakhtunkhawa, Pakistan
6. Department of Computer Science and Mathematics, Lebanese American University, Byblos Lebanon
7. Department of Mathematics and Statistics, College of Science, King Faisal University, Hafuf 31982, Al Ahsa, Saudi Arabia
8. Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia