1. Department of Mathematics and Sciences, College of Humanities and Sciences, Prince Sultan University, Riyadh, Saudi Arabia + Department of Mathematics, Air University, PAF Complex E-, Islamabad, Pakistan
2. Department of Mathematics and Sciences, College of Humanities and Sciences, Prince Sultan University, Riyadh, Saudi Arabia + Department of Medical Research, China Medical University, Taichung, Taiwan + Department of Mathematics, Faculty of Science, The Hashemite University, Zarqa, Jordan
3. Department of Mathematics, Air University, PAF Complex, Islamabad, Pakistan