Kunthajet, K., S. Kawmongkon, and S. Kareevet. “The Management for Improvement the Quality of Public Vocational Colleges under Office of the Vocational Education Commission”. Arts of Management Journal, vol. 7, no. 2, June 2023, pp. 790-03, https://so02.tci-thaijo.org/index.php/jam/article/view/263769.