Junlasun Thuninart, Jaruwan Tammawat, Prasopsuk Rittidet and Budsakorn Saenyabud
Journal of Social Sciences 5 ( 1 ): 43 - 46 , 2009
Niwat Thongwol, Jaruwan Tammawat, Prasopsuk Rittidej and Budsakorn Saenyabud
Journal of Social Sciences 6 ( 2 ): 293 - 295 , 2010