DORLAN NAIBAHO; EPA GRACELIA FERALS SITORUS. Pentingnya Guru dalam Menguasai Substansi Materi Pembelajaran. Jurnal Pendidikan dan Kebudayaan (JURDIKBUD), [S. l.], v. 3, n. 3, p. 166–171, 2023. DOI: 10.55606/jurdikbud.v3i3.2635. Disponível em: https://researchhub.id/index.php/jurdikbud/article/view/2635. Acesso em: 13 may. 2025.