Chanmon, Nich, KiatSuda Srisuk, Uraiwan Hanwong, and Nampueng Indanate. 2020. “A Model of Evaluation for Development of Virtue and Ethics for Primary Education Students”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 8 (1):65-76. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/241438.