1. Department of Mathematics, University of the Punjab, Lahore, Pakistan
2. Department of Chemical Engineering, College of Engineering, King Saud University, Riyadh, Saudi Arabia
3. Department of Mathematics, Riphah International University Faisalabad Campus, Faisalabad, Pakistan
4. Department of Mathematics and Sciences, College of Humanities and Sciences, Prince Sultan University, Riyadh, Saudi Arabia
5. Department of Basic Medical Sciences, College of Applied Medical Science, King Khalid University, Abha, Saudi Arabia