FATMALA, E. . RETURN COST AND VALUE ADDED ANALYSIS OF SWEET POTATO PROCESSING (Case Study: Pasar Bengkel Village, Perbaungan District, Serdang Bedagai Regency). Agripreneur : Jurnal Pertanian Agribisnis, [S. l.], v. 10, n. 2, p. 68-73, 2021. DOI: 10.35335/agripreneur.v10i2.1953. Disponível em: https://iocscience.org/ejournal/index.php/Agripreneur/article/view/1953. Acesso em: 30 apr. 2026.