SUMANTRI, Sumantri; YUSDIARTI, Arti; MIFTAH, Himmatul. STUDI KELAYAKAN INVESTASI KOPI ROBUSTA (COFFEA CANEPHORA). JURNAL AGRIBISAINS, [S. l.], v. 6, n. 1, p. 39–49, 2020. DOI: 10.30997/jagi.v6i1.2805. Disponível em: http://103.127.96.46/index.php/AGB/article/view/2805. Acesso em: 8 jun. 2026.