1. Math and Computing Skills Unit, University of Technology and Applied Sciences-Nizwa, Oman
2. Department of Studies in Mathematics, Davangere University, Tholahunase, India
3. Department of Mathematics, Dayananda Sagar College of Engineering, Bangalore, India
4. Department of Mathematics, Bapuji Institute of Engineering & Technology, Davanagere, India
5. Department of Mathematics, College of Science, King Khalid University, Abha, Saudi Arabia
6. Faculty of engineering, Future University, New Cairo, Egypt
7. Department of Mechanical Engineering, University Centre for Research & Development, Chandigarh University, Mohali, India