1. Department of Mathematics, Faculty of Science, Islamic University of Madinah, 42351, Saudi Arabia
2. Department of Mathematics, Capital University of Science & Technology (CUST), 44000, Islamabad, Pakistan
3. Department of Mathematics, Lahore College Women University, Lahore, Pakistan
4. Department of Mathematics, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Sungai Besi 57000 Kuala Lumpur, Malaysia
5. Department of Sciences and Humanities, National University of Computer and Emerging Sciences, Peshawar KP, 25000, Pakistan