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ทาเกตุน, หะยีสาและส, จันทรจรูญเ, พานิชการก. A STUDY OF MATHAYOMSUKSA I STUDENTS ANALYTICAL THINKING ABILITIES ON RATIO AND PERCENTAGES THROUGH INQUIRY-BASED LEARNING ACTIVITIES. Journal of Industrial Education [Internet]. 25Aug.2019 [cited 30Jan.2020];18(2):84-2. Available from: https://www.tci-thaijo.org/index.php/JIE/article/view/179457