1. Faculty of Science, Yibin University, Yibin, 644000 Sichuan, P. R. China
2. Wah Medical College POF Hospital, Wah Cantt 47040, Pakistan
3. Department of Mechanical Engineering, Pakistan Institute of Engineering and Applied Sciences, Islamabad, Pakistan
4. Department of Mathematics, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia
5. Research Centre, Future University in Egypt, New Cairo 11835, Egypt