1. Department of Mathematical Sciences, Faculty of Sciences, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
2. Department of Basic Sciences, Preparatory Year Deanship, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
3. Department of Mathematics, Abdul Wali University Mardan 23200, Pakistan
4. Department of General Studies, Higher Colleges of Technology, Dubai Women Campus, UAE