The Effect of the Application of the Problem Based Learning Model on Mathematics Learning Outcomes of Mathematics Sentence Material Grade III SDN Ragung 1. J.Lit.Nus [Internet]. 2026 Jan. 10 [cited 2026 Aug. 3];6(1):292-300. Available from: https://ejournal.citradharma.org/index.php/literasinusantara/article/view/1637