PERANAN TUTOR TERHADAP PENINGKATAN MOTIVASI BELAJAR MAHASISWA PADA PENDIDIKAN JARAK JAUH: -. Holistic Journal of Management Research, [S. l.], v. 5, n. 1, p. 1–7, 2020. DOI: 10.33019/hjmr.v3i1.1733. Disponível em: https://www.holistic.ubb.ac.id/index.php/holistic/article/view/1733. Acesso em: 20 apr. 2026.