Junlasun Thuninart, Jaruwan Tammawat, Prasopsuk Rittidet and Budsakorn Saenyabud
Journal of Social Sciences 5 ( 1 ): 43 - 46 , 2009
Warit Witsrutwait, Songkhoon Chantachon, Penchan Kriengkrisuk, Prasopsuk Rittidet and Budsakorn Saenyabud
Journal of Social Sciences 5 ( 3 ): 219 - 222 , 2009