Prasittikanon, Supattra, and Nanthima Nakaphong Asvaraksha. “The Development of Flipped Classroom and the Cooperative Learning Model in Basic Counting Principles for Mathayomsuksa 4 Students”. Suan Dusit Graduate School Academic Journal 18, no. 3 (October 15, 2022): 55–72. accessed August 29, 2026. https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/399.