Tiengyoo, Khemjira, Krittitee Anan, Piyada Phosri, Poopra Poopra, and Napalai Laomalaw. “INSTRUCTIONAL ACTIVITY ON LIMITS AND CONTINUITY OF A FUNCTION BY USING A GRAPHING CALCULATOR FOR UNDERGRADUATES”. Journal of Industrial Education 21, no. 1 (April 26, 2022): 1–11. Accessed April 20, 2024. https://ph01.tci-thaijo.org/index.php/JIE/article/view/245718.