Affiliation: | 1.School of Mathematical Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia ;2.Department of Strategic Management and Marketing, Leicester Business School, De Montfort University, Hugh Aston Building, The Gateway, Leicester, LE1 9BH, UK ;3.School of Mathematical Sciences, and School of Mathematical Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia ;4.Faculty of Economics and Business, KU Leuven, Warmoesberg 26, 1000, Brussels, Belgium ; |