1. Department of Mathematics, Mohi-ud-Din Islamic University, Nerian Sharif AJ&K 12080, Trarkhel, Pakistan
2. Department of Mathematics and Statistics, Hazara University, Mansehra 21120, Pakistan
3. Department of Mathematics, Faculty of Sciences, HITEC University, Taxila Cantt 47070, Taxila, Pakistan
4. University of Multan, Multan 66000, Pakistan
5. Department of Mathematics, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia
6. Department of Mathematics, Bangladesh University of Engineering and Technology (BUET), Dhaka 1000, Bangladesh