SILABAN, Yakub Pangihutan. Pengaruh Pelayanan Peter Hinrich Johannsen di Seminari Pansurnapitu terhadap Modernisasi Akal Budi Masyarakat Batak 1877-1898. Jurnal Teologi Vocatio Dei, [S. l.], v. 1, n. 1, 2026. DOI: 10.62926/jtvd.v1i1.10. Disponível em: https://ejurnal.stthkbp-pematangsiantar.ac.id/index.php/JTVD/article/view/10. Acesso em: 10 jun. 2026.