Analisis Efisiensi Usahatani Kopi Robusta di Desa Purwabakti Kecamatan Pamijahan Kabupaten Bogor. Indonesian Journal of Agricultural Resource and Environmental Economics, [S. l.], v. 1, n. 1, p. 1–10, 2022. DOI: 10.29244/ijaree.v1i1.40137. Disponível em: https://journal.ipb.ac.id/ijaree/article/view/40137. Acesso em: 25 dec. 2025.