1. Mechanical Engineering Department, College of Engineering, Umm Al-Qura University, Makkah, KSA
2. Department of Mathematics and Statistics, Punjab Group of Colleges, Jehlum, Pakistan
3. Department of Mathematics, Division of Science and Technology, University of Education, Lahore, Pakistan
4. Department of Mathematics and Statistics, University of Lahore (Sargodha Campus) Sargodha Pakistan
5. Department of Mathematics and Statistics, FBAS, International Islamic University, Islamabad, Pakistan