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). JIMBE [Internet]. 2024 Jun. 1 [cited 2026 May 12];1(5):46-52. Available from: https://malaqbipublisher.com/index.php/JIMBE/article/view/205