Thinnakorn Phiadsing, Satchaporn Kaewsiri, Areerat Chumyai, Jaruwan Mutaporn, Pongpat Worthong, and Dawruwan Thawinkan. “Policy Recommendations for Administrations Towards Excellence: Secondary School in Thailand”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences, vol. 9, no. 1, Apr. 2021, pp. 120-9, https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/220687.