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P. Jansoda, W. Homjan, and C. . Charoenkiatkan, “Development of Learning Achievement and Capabilities of Solving Math Word Problems on Volume Measurement for Grade 3 Students Using Nano Learning and Bar Model Technique: Development of Learning Achievement and Capabilities of Solving Math Word Problems on Volume Measurement for Grade 3 Students Using Nano Learning and Bar Model Technique”, rtnb, vol. 7, no. 2, pp. 500–514, Aug. 2025.