ESTER, S.PD.K. Integrasi Problem Based Learning (PBL) dalam Meningkatkan Kualitas Pembelajaran Pendidikan Agama Kristen di Kurikulum 13. Ambassador, [S. l.], v. 1, n. 2, 2022. Disponível em: https://ojs.sttpbb.ac.id/index.php/ambassador/article/view/29. Acesso em: 22 feb. 2025.