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
Phra Surapong Sukwat, Nongnapas Thiengkamol, Charlie Navanugraha and Chatchai Thiengkamol
The Social Sciences 7 ( 1 ): 56 - 60 , 2012
Wongchanok Jumrearnsan and Nongnapas Thiengkamol
The Social Sciences 7 ( 1 ): 65 - 70 , 2012
Apirak Saenpakdee and Nongnapas Thiengkamol
The Social Sciences 7 ( 1 ): 71 - 76 , 2012
The Social Sciences 7 ( 1 ): 77 - 82 , 2012
Thanoosin Sukserm, Nongnapas Thiengkamol and Tanarat Thiengkamol
The Social Sciences 7 ( 1 ): 95 - 99 , 2012
Kunnika Wattanasaroch, Nongnapas Thiengkamol, Charlie Navanugraha and Tanarat Thiengkamol
The Social Sciences 7 ( 2 ): 216 - 223 , 2012
Denpong Charoensilpa, Nongnapas Thiengkamol, Jurairat Kurukodt and Chatchai Thiengkamol
The Social Sciences 7 ( 4 ): 496 - 501 , 2012