1. Department of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor, Malaysia
2. Department of Mathematics and Social Sciences, Sukkur IBA University, Sukkur, Sindh Pakistan
3. Department of Mathematical Sciences, Federal Urdu University of Arts, Science & Technology, Gulshan-e-Iqbal, Karachi, Pakistan
4. Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Melaka, Malaysia
5. Mechanical Engineering Department, College of Engineering, King Saud University, Riyadh, Saudi Arabia
6. Department of Mathematics, Babeş-Bolyai University, Cluj Napoca, Romania