Wichamuk, P., Sotaro, S., & Hajisalah, S. (2019). LEARNING ACHIEVEMENT MATTAYOMSUKSA II STUDENTS: SOLVING RATIO AND PERCENTAGE WORD PROBLEMS BY NORMAL TEACHING TOGETHER WITH BAR MODEL METHOD. Journal of Industrial Education, 18(2), 110–117. Retrieved from https://ph01.tci-thaijo.org/index.php/JIE/article/view/175211