SIHOMBING , L. Mengingat Dasa Warsa STT Amanat Agung. Jurnal Amanat Agung, [S. l.], v. 3, n. 2, p. 173–182, 2007. Disponível em: http://165.22.100.199/index.php/JAA/article/view/251. Acesso em: 7 feb. 2026.