Namchai Utharak, Decha Karnjanangkura and Wichaya Yoshida
Journal of Social Sciences 5 ( 4 ): 408 - 410 , 2009
Chonlapass Duangnapa, Phrakru Patchimwaranukul and Decha Karnjanangkura
The Social Sciences 4 ( 5 ): 443 - 447 , 2009