Harahap YA- adawiyah, Dini Ramadhani, Maisarah. PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA KELAS IV SEKOLAH DASAR. j.tunas.pendidik [Internet]. 2025 Oct. 3 [cited 2025 Dec. 15];8(1):12-24. Available from: https://www.ejournal.ummuba.ac.id/index.php/pgsd/article/view/3692