Tachaphol, Panida, Somsanguan Passage, and Kronrawee Nantachad. “The Development of Learning Activities by Applying Inquiry with Phenomenal Based Learning to Promote Analytical Thinking Ability of Mathayomsuksa 2”. Journal of Education Rajabhat Maha Sarakham University 19, no. 3 (December 27, 2022): 35–45. accessed September 12, 2026. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/261132.