JULIANA, Edang; APRIYATIN DEWI, Yanti; MARINA, Ida. ANALISIS EFISIENSI USAHA OPAK MANIS GULA AREN DI DESA KRISIK KECAMATAN JATINUNGGAL KABUPATEN SUMEDANG. Journal of Sustainable Agribusiness, [S. l.], v. 4, n. 2, p. 126–135, 2025. DOI: 10.31949/jsa.v4i2.16720. Disponível em: https://www.ejournal.unma.ac.id/index.php/jsa/article/view/16720. Acesso em: 17 jun. 2026.