MARBUN, Japarlin. PERANAN BAGI PENDIDIKAN NASIONAL. Regula Fidei : Jurnal Pendidikan Agama Kristen, [S. l.], v. 1, n. 1, p. 141 – 158, 2019. Disponível em: http://www.e-journal.christianeducation.id/index.php/regulafidei/article/view/7. Acesso em: 9 apr. 2026.