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ชิณสา พ, ลำดวนหอม ช, เพียซ้าย ข. A STUDY OF MATHAYOMSUKSA II STUDENTS’ DEFICIENCIES IN CONCEPTUAL AND PROCEDURAL KNOWLEDGE OF POLYNOMIAL AND POLYNOMIAL FRACTIONS. J. IND. EDUC. [Internet]. 2018 Sep. 18 [cited 2024 Mar. 29];17(2):68-74. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/146172