IDEAL HAREFA; YOHANES UMBU LEDE. Strategi Peningkatan Minat Belajar Materi Sakramen Tobat Kelas VIII Melalui Metode Problem Based Learning. Varied Knowledge Journal, [S. l.], v. 2, n. 2, p. 1–9, 2024. Disponível em: https://journal.rajawalimediautama.id/index.php/vkj/article/view/62. Acesso em: 10 jan. 2025.