Jansoda, Pirun, Wanida Homjan, and Chaloemchai 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”. RATANABUTH JOURNAL 7, no. 2 (August 31, 2025): 500–514. accessed September 3, 2026. https://so07.tci-thaijo.org/index.php/rtnb/article/view/8544.