กระจ่างดี จ., & ตันตรานนท์ ณ. (2019). The Study of Management Strategies of Academic Affairs for Opportunity Expansion School in Khun Yuam District, Mae Hong Son Province. Journal of Graduate Research, 10(1), 57–75. Retrieved from https://so02.tci-thaijo.org/index.php/banditvijai/article/view/160038