1. Department of Mathematics, University of Management and Technology, Lahore 54000, Pakistan
2. Department of Mathematics, Yozgat Bozok University, Yozgat 66900, Turkey
3. Department of Mechanical Engineering, Sejong University, Seoul 05006, South Korea
4. Department of Mathematics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand