Musaidah, Evadatul, Dewi Sulandari, and Scolastika Mariani. “PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA MELALUI PEMBELAJARAN PROBLEM BASED LEARNING”. Jurnal Penelitian Pembelajaran Matematika Sekolah (JP2MS) 8, no. 1 (April 30, 2024): 125–132. Accessed August 17, 2025. https://ejournal.unib.ac.id/JPPMS/article/view/33298.