TURNIP, Ricardo S.; SIANIPAR, Efran; SIMANJUNTAK, Jonri. Kasih Persaudaraan di dalam Kristus: Pembekalan Sekolah Minggu, Remaja, Naposobulung HKBP Siraituruk tentang Tri Tugas Panggilan Gereja. Bulletin of Community Engagement, [S. l.], v. 3, n. 2, p. 289–297, 2023. DOI: 10.51278/bce.v3i2.1064. Disponível em: https://attractivejournal.com/index.php/bce/article/view/1064. Acesso em: 3 may. 2026.