SIHOMBING, W. F.; WIDIASTUTI, M.; WARUWU, L.; LUBIS, B.; TAMBA, T. Peningkatan Kemampuan Mengajar Sekolah Minggu di GPKB Lumban Tongatonga Ressort Aek Mabar Distrik V Humbang Kec. Siborongborong Kab. Tapanuli Utara. Jurnal SOLMA, [S. l.], v. 12, n. 1, p. 231–237, 2023. DOI: 10.22236/solma.v12i1.9887. Disponível em: https://journal.uhamka.ac.id/index.php/solma/article/view/9887. Acesso em: 22 nov. 2024.