Jumali Selamat, Khaidzir Ismail, Kadaruddin Aiyub, Z.M. Lukman, Kadir Arifin, Roslee Rajikan, Azahan Awang, Mohd. Helmi Abd Rahim and Norfadillah Derahim
The Social Sciences 7 ( 4 ): 522 - 529 , 2012