Hanmontri, Theppabut, and Montri Tongmoon. 2022. “A development of learning activities using collaborative learning with think-pair-share technique to promote Mathematical problem-solving ability on Interest and Value of money of Matthayomsuksa 5 students”. Journal of Roi Et Rajabhat University 16 (1):35-45. https://so03.tci-thaijo.org/index.php/reru/article/view/242925.