HUTAGALUNG, S. FIRMAN TUHAN: PELITA DAN PEDANG BERMATA DUA. Koinonia Journal, [S. l.], v. 6, n. 2, p. 1-14, 2014. DOI: 10.35974/koinonia.v6i2.176. Disponível em: https://jurnal.unai.edu/index.php/koinonia/article/view/176. Acesso em: 7 oct. 2022.