Arpha ก. ., Phonyiam ณ. ., Sutthiprapa ป. ., Khumdinphithak ศ. . . and Thawinkarn ด. . . (2020) “Policy Recommendation to Develop Innovative Organization of Secondary School in Khon Kaen Province”, KKU Research Journal (Graduate Studies) Humanities and Social Sciences, 8(3), pp. 32–41. Available at: https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/247807 (Accessed: 27 June 2022).