Kanokphongsathian P, Koolnaphadol T, Songbundit A. Model of Quality Management Competency for Basic School Directors in Educational Quality Assurance. RJPJ [Internet]. 2022 May 20 [cited 2024 Apr. 23];16(46):131-46. Available from: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/256743