Threrawat Khumchom, Rittirong Junggoth, Charlie Navanugraha and Wirat Pansila
Pakistan Journal of Social Sciences 10 ( 2 ): 123 - 125 , 2013
Krissana Khamfong, Charlie Navanugraha, Rittirong Junggoth and Prayoon Wongchantra
Research Journal of Applied Sciences 8 ( 3 ): 148 - 151 , 2013
Phra Surapong Sukwat, Nongnapas Thiengkamol, Charlie Navanugraha and Chatchai Thiengkamol
The Social Sciences 7 ( 1 ): 56 - 60 , 2012
Anand Kumparatana, Charlie Navanugraha and Phassakon Nuntapanich
The Social Sciences 7 ( 2 ): 252 - 256 , 2012
Anand Kumparatana, Charlie Navanugraha and Phassakon Nuntapanich
The Social Sciences 7 ( 2 ): 262 - 267 , 2012
Krissana Khamfong, Charlie Navanugraha, Rittirong Junggoth and Prayoon Wongchantra
The Social Sciences 8 ( 2 ): 203 - 205 , 2013