Hanpipat, Benjawan, and Vantipa Roadrangka. “In-depth study of geology teachers’ teaching practices in the upper secondary levels under the Bangkok Educational Services, area 2”. Asia-Pacific Journal of Science and Technology 14, no. 12 (April 19, 2017): 1143–1157. accessed April 22, 2026. https://so01.tci-thaijo.org/index.php/APST/article/view/83608.