1. Department of Mathematics & Statistics, Hazara University, Manshera, Pakistan
2. Department of Computer Science and Mathematics, Lebanese American University, Beirut, Lebanon
3. Department of Mathematical Science College of Science, United Arab Emirates University, Al Ain, UAE
4. Department of Mathematics, Science Education Harran University, Sanliurfa, Turkey
5. Department of General Studies, National Autonomous University of Chota, Chota, Peru
6. Department of Mathematics, Faculty of Engineering, Zagazig University, Zagazig, Egypt
7. Faculty of Engineering and Technology, Future University in Egypt, New Cairo, Egypt
8. Basic Engineering Mathematics Department, Benha Faculty of Engineering, Benha University, Benha, Egypt