PENINGKATAN AKTIVITAS BELAJAR PAK MELALUI MODEL PEMBELAJARAN PROBLEM SOLVING . Edukasi : Jurnal Pendidikan Agama Kristen, [S. l.], v. 11, n. 1, p. 8–15, 2020. DOI: 10.47562/edk.v11i1.137. Disponível em: https://sttbi.ac.id/journal/index.php/edukasi/article/view/137. Acesso em: 30 jul. 2026.