LOKOT MUDA HARAHAP; AUSTIN BEYN BERIL JAHRAN SARAGIH; ARIEF PUTRA JOHAVI DAMANIK; RIZKY IDAMAN TELAUMBANUA; RICHARD JOSUA SIMANULLANG. Analisis Sistem Agribisnis Kopi Robusta (Desa Tanjung Beringin I, Kecamatan Sumbul, Kabupaten Dairi). Jurnal Ilmu Manajemen, Bisnis dan Ekonomi (JIMBE), [S. l.], v. 1, n. 5, p. 46–52, 2024. DOI: 10.59971/jimbe.v1i5.205. Disponível em: https://malaqbipublisher.com/index.php/JIMBE/article/view/205. Acesso em: 12 may. 2026.