1. Centre for Mathematical Sciences, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Kuantan, Pahang, MALAYSIA
2. Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang Al- Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Kuantan, Pahang, MALAYSIA
3. Department of Theoritical Mechanics (MT), Georgia Asachi Technical University of lasi TU lasi, ROMANIA