1. Department of Basic Sciences and Humanities, College of Computer and Information Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
2. Department of Mathemtics and Statistics, Sub-Campus Depalpur, University of Agriculture, Faisalabad 38040, Pakistan
3. Department of Mathemtics and Statistics, University of Agriculture, Faisalabad 38040, Pakistan
4. Department of Mathematics and Statistics, University of Victoria, Victoria, BC V8W 3R4, Canada