Tachaphol, Panida, Somsanguan Passage, and Kronrawee Nantachad. 2022. “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 (3). Maha Sarakham, Thailand:35-45. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/261132.