Sangsrichan, Teerasak. “Development of Learning Activities Sets on Dangerous Life-Threatening Drugs Using Inquiry Cycle Together with Graphic Organizer Techniques to Encourage the Analytical Thinking Ability of 8th Graders”. Journal of Education Rajabhat Maha Sarakham University 17, no. 1 (March 4, 2020): 495–507. accessed September 13, 2026. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/252229.