Thaigun, U., S. Comesorn, and K. Suwannawaj. “The Academic Management Model for Educational Opportunity Expansion Schools”. Humanities and Social Sciences Journal of Graduate School, Pibulsongkram Rajabhat University, Vol. 13, no. 1, Aug. 2018, pp. 88-104, https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/190741.