MANIK, Toman. The History of the Sangap Di Jahowa Hymnbook of the Batak Protestant Christian Church (HKBP). Jurnal Teologi Trinity, [S. l.], v. 1, n. 1, 2023. DOI: 10.62494/JTT.2023.11.3. Disponível em: https://jurnal.stttrinity.id/index.php/stt/article/view/3.. Acesso em: 6 feb. 2026.