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Tiengyoo K, Anan K, Phosri P, Poopra P, Laomalaw N. INSTRUCTIONAL ACTIVITY ON LIMITS AND CONTINUITY OF A FUNCTION BY USING A GRAPHING CALCULATOR FOR UNDERGRADUATES. J. IND. EDUC. [Internet]. 2022 Apr. 26 [cited 2024 Apr. 24];21(1):1-11. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/245718