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Rueangsri N, Choomponla C, Bojukrapan S, Deenang E. Using Predict – Observe - Explain Learning Approach Supplemented with Learning Log to Promote Conceptual Understanding of Changes in Substances among Grade 5 Students. Mahachulalongkornrajavidyalaya University [internet]. 2024 Dec. 31 [cited 2025 Apr. 30];5(3):337-44. available from: https://so10.tci-thaijo.org/index.php/jote/article/view/1879