1. Mechanical Engineering Department, College of Engineering and Islamic Architecture, Umm Al-Qura University, P. O. Box 5555, Makkah 21955, Saudi Arabia
2. Department of Mathematics, University of Engineering and Technology, Lahore 54890, Pakistan
3. Department of Mathematics, COMSATS University Islamabad, Sahiwal 57000, Pakistan
4. Department of Mathematics and Statistics, Riphah International University I-14, Islamabad 44000, Pakistan
5. Department of Mechanics and Engineering Sciences, Peking University, Beijing, P. R. China
6. Department of General Sciences and English Language, College of Applied Sciences, AlMaarefa University, Diriyah, 13713 Riyadh, Saudi Arabia
7. Department of Studies and Research in Mathematics, Davangere University, Shivagangotri, Davangere 577002 Karnataka, India
8. Mechanical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Wadi Addawaser 11991, Saudi Arabia
9. Production Engineering and Mechanical Design Department, Faculty of Engineering, Mansoura University, P.O. 35516, Mansoura, Egypt