OKTAVIA, M.; DELVI YANTI, E.; WAKHYUNI, E. Analisis Human Relation, Perilaku Individu dan Etos Kerja Terhadap Peningkatan Kinerja Pegawai PT Perkebunan Nusantara IV Regional I Medan. Jurnal Media Informatika, [S. l.], v. 6, n. 1, p. 291–299, 2024. Disponível em: https://ejournal.sisfokomtek.org/index.php/jumin/article/view/3846. Acesso em: 5 may. 2026.