คามวัลย์ ปกรณ์, กมลศิลป์ ดร.จำนง, and กมลศิลป์ ดร.อุทัย. “Management of Vocation Education by Informal and Non-Formal Education Centre in Mung District of Roi Et Province”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 7, no. 2 (February 9, 2018): 147–156. Accessed May 5, 2024. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/196663.