Bestari, indah, Dini Ramadhani, and Muhammad Febri Rafli. “PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN PEMAHAMAN MATEMATIS SISWA KELAS IV DI SEKOLAH DASAR NEGERI 7 LANGSA”. Didaktik : Jurnal Ilmiah PGSD STKIP Subang 11, no. 03 (September 30, 2025): 229 - 237. Accessed November 15, 2026. https://journal.stkipsubang.ac.id/index.php/didaktik/article/view/8148.