1. Department of Mathematics, University of Management and Technology, Lahore, Sialkot Campus, Pakistan
2. School of Mathematics, Thapar Institute of Engineering & Technology (Deemed University), Patiala 147004, Punjab, India
3. Department of Mathematics, University of Management and Technology, Lahore 54770, Pakistan
4. Department of Mathematics, College of Science and Arts, King Khalid University, Muhayil, 61413 Abha, Saudi Arabia
5. Department of Basic Sciences, College of Science and Theoretical Studies, Saudi Electronic University, Riyadh, Saudi Arabia
6. Faculty of Mathematics and Statistics, Ton Duc Thang University, Ho Chi Minh City, Vietnam