Boonroam Kamchantarat, Chalie Navanugraha, Rittirong Junggoth and Nongnapas Thiengkamol
Pakistan Journal of Social Sciences 8 ( 4 ): 219 - 221 , 2011
Boonroam Kamchantarat, Chalie Navanugraha, Rittirong Junggoth and Nongnapas Thiengkamol
The Social Sciences 6 ( 6 ): 429 - 431 , 2011
Pitinats Sailabat, Prayoon Wongchantra and Chalie Navanugraha
The Social Sciences 7 ( 1 ): 33 - 35 , 2012