UTAMI, Aufa Dian; ABIDIN, Zainal; MARLINA, Lina. Analisis Penentuan Biaya Pokok Produksi Olahan Kopi Robusta di Koperasi Tirto Kencono Kabupaten Tanggamus. Journal of Food System and Agribusiness, [S. l.], v. 3, n. 2, p. 72–79, 2020. DOI: 10.25181/jofsa.v3i2.1550. Disponível em: https://jurnal.polinela.ac.id/index.php/JFA/article/view/1550. Acesso em: 17 sep. 2026.