1.
Loetsongkram K, Phukrongtung S, Wijankhan P. Developing the Ability to Solve Mathematical Problems of Grade 9 Students Using Problem-based Learning together with Learning Management Using KWDL techniques. J. EDU. YRU [internet]. 2024 Jun. 24 [cited 2025 Aug. 10];3(1):22-36. available from: https://so08.tci-thaijo.org/index.php/jeduyru/article/view/2670