Saisin, Miriam, Patcharaporn Duangchurn, and Chomsak Intrarak. 2022. “Development of Functional Competency Teacher Model in Sahabumrung Wittaya School”. Journal of Humanities and Social Sciences, Rajapruk University 8 (3):324-39. https://so03.tci-thaijo.org/index.php/rpu/article/view/265321.