Phuaphan, Nuntawan. “The Effects of Using to Contemplative Education for Developing Management in Science Course for Pre-Service Science Teachers”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 7, no. 1 (May 18, 2019): 102–111. Accessed May 5, 2024. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/189950.