Punjit A, Chantarasri R, yuenyong J. Enhancing Grade 5 Students’ Scientific Explanation about Change of Substances through Thinking Frame Approach (TFA). JTPLC [internet]. 2024 Aug. 31 [cited 2026 Sep. 2];4(2):104-16. available from: https://so05.tci-thaijo.org/index.php/JTPLC/article/view/269788