Meenongwah, S. and Chompha, A.P.D.C. 2019. An Appropriate Institutionalization and Model in the Existence of the Sub-district Chief and Village Headman in Attitude of Key Personnel of Ubon Ratchathani’s Sub-district Municipality. Journal of Research and Development Institute Rajabhat Maha Sarakham University. 6, 1 (Jun. 2019), 441–454.