Panutda Wattano และ Preecha Vichitthamaros. (2013) Causal Factors which influence Professional Morality Conduct of Teacher in the Northeastern of Thailand. <i>NIDA Development Journal</i>, <i>53</i>(1), 133-159.Panutda Wattano และ Preecha Vichitthamaros. "Causal Factors which influence Professional Morality Conduct of Teacher in the Northeastern of Thailand". NIDA Development Journal 53 (2013):133-159.Panutda Wattano และ Preecha Vichitthamaros. Causal Factors which influence Professional Morality Conduct of Teacher in the Northeastern of Thailand. National Institute of Development Administration:ม.ป.ท. 2013.