PENGARUH PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP PEMAHAMAN KONSEP SISWA. Jurnal Sekolah Dasar, [S. l.], v. 2, n. 1, 2017. DOI: 10.36805/jurnalsekolahdasar.v2i1.203. Disponível em: https://journal.ubpkarawang.ac.id/index.php/PGSD/article/view/203. Acesso em: 2 nov. 2025.