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://christianeducation.id/e-journal/index.php/regulafidei/article/view/7. Acesso em: 15 feb. 2026.