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สัมมา ช, ศรีทิพันธุ์ พ. DEVELOPMENT EXERCISES TO ENHANCE MATH SKILLS ON THE TOPIC DECIMALS AND FRACTIONS FOR MATHAYOM SUKSA 1 BY THE COOPERATIVE LEARNING MODEL STAD TECHNIQUE. JYRI [Internet]. 2019 Jun. 12 [cited 2024 Mar. 29];10(1):37-53. Available from: https://so04.tci-thaijo.org/index.php/yri/article/view/202835