Lazuardi E, Asmin A. The effect of applying the problem-based learning model on the mathematical problem-solving ability of grade X students at MAS Madinatussalam, Sei Rotan Village. edumaspul [Internet]. 1Oct.2025 [cited 9Dec.2025];9(2):1050-7. Available from: https://jurnal.unimen.cloud/maspuljr/article/view/9117