Mangkang, Nichakamol, Chutima Wattanakiri, and Sudaporn Pongpisanu. “Comparing The Learning Achievement and Student Satisfaction in Thai Language Subjects of Mathayom Suksa 1 Students Using Cooperative Learning Techniques (Specifically TGT) And Investigative Learning”. Saengtham College Journal 17, no. 2 (December 30, 2025): 22–46. accessed September 3, 2026. https://so01.tci-thaijo.org/index.php/scj/article/view/269798.