Mansup M, Meesup P, Rimcholakarn Y. A Study of the Needs Conditions for Development of a Combined Model of Active Proactive Learning with KWDL Techniques to Enhance Mathematical Problem Solving Skills for Junior High School Students. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University [Internet]. 2021 Jun. 17 [cited 2024 May 2];15(2):468-82. Available from: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/241958