Institution: | 1. Department of Mathematical and Actuarial Sciences, Universiti Tunku Abdul Rahman, Kajang, Selangor, Malaysia;2. chewcy@utar.edu.my;4. Institute of Mathematical Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia;5. Graduate School of Technology, Asia Pacific University of Technology and Innovation, Bukit Jalil, Kuala Lumpur, Malaysia |