1. Department of Mathematics and Statistics, Hazara University, Mansehra 21120, Pakistan
2. Department of Mathematics, Mohi-ud-Din Islamic University, Nerian Sharif AJ&K 12080, Pakistan
3. Department of Mathematics, Faculty of Sciences, HITEC University, Taxila Cantt 47070, Pakistan
4. Department of Mathematics, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia
5. Department of Mathematical Sciences, College of Science, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh 11671, Saudi Arabia
6. Department of Mathematics, Pabna University of Science & Technology, Pabna-6600, Bangladesh