Nurjanah, Erni, Nurani Hadnistia Darmawan, and Fadilah El Khuluqo. “Efektivitas Model Problem-Based Learning (PBL) Terhadap Keterampilan Pemecahan Masalah Di Sekolah Dasar ”. Didactical Mathematics 6, no. 2 (July 4, 2024): 151–163. Accessed April 27, 2025. https://ejournal.unma.ac.id/index.php/dm/article/view/9589.