GINTING, Sriayu; ANZELINA, Dewi; LUMBANGAOL, Rumiris; SILABAN, Patri. UPAYA MENINGKATAN HASIL BELAJAR SISWA DENGAN MENGGUNAKAN MODEL PROBLEM BASED INSTRUCTION . Jurnal Educatio FKIP UNMA, [S. l.], v. 6, n. 2, p. 389–394, 2020. DOI: 10.31949/educatio.v6i2.550. Disponível em: https://www.ejournal.unma.ac.id/index.php/educatio/article/view/550. Acesso em: 1 may. 2025.