1. Department of Mathematics, University of Jhang, Gojra Road, Jhang 35200, Pakistan
2. Department of Mathematics, University of WAH, Quaid Avenue, Wah Rawalpindi, Punjab 47040, Pakistan
3. Department of Natural Sciences and Humanities, University of Engineering and Technology, Lahore 54890, Pakistan
4. Department of Mathematics, College of Sciences, King Khalid University, Abha 61413, Saudi Arabia
5. Department of Mathematics, University of Baltistan, Skardu, Pakistan