Wilart Pothisan, Art Nantajak, Prasopsuk Rittidet and Budsakorn Saenyabud
Journal of Social Sciences 4 ( 4 ): 343 - 346 , 2008
Prathip Channuan, Subunn Ieamvijarn, Budsakorn Saenyabud and Prasopsuk Rittidet
Journal of Social Sciences 5 ( 3 ): 216 - 218 , 2009
Sampan Rittidet, Sombat Rittidet, Prasopsuk Rittidet and Winyoo Sata
Journal of Social Sciences 5 ( 4 ): 329 - 331 , 2009