Chaitontueang, B., P. Phosing, and Y. Yupas. “Administrative Models Affecting Educational Management Effectiveness of Private Vocational Colleges in the Northeastern Region: Administrative Models Affecting Educational Management Effectiveness of Private Vocational Colleges in the Northeastern Region”. RATANABUTH JOURNAL, vol. 5, no. 1, Apr. 2023, pp. 109-24, https://so07.tci-thaijo.org/index.php/rtnb/article/view/2344.