1. Department of Mathematics, COMSATS University Islamabad, Islamabad, Pakistan
2. Department of Mathematics, University of the Poonch Rawalakot, Rawalakot, Pakistan
3. Laboratory on Convective Heat and Mass Transfer, Tomsk State University, Tomsk, Russia
4. College of Science, Inner Mongolia University of Technology, Hohhot, People’s Republic of China
5. Faculty of Engineering, Kuwait College of Science and Technology, Doha 35004, Kuwait