Farm household allocative efficiency and cost-Benefit Analysis of sweet potato among farming families in Igabi agro-ecological environment. The NOUN Journal of Agricultural Research and Development (NJARD), [S. l.], v. 1, n. 2, p. 160–166, 2025. Disponível em: http://3.79.110.175/agricjournal/index.php/NJARD/article/view/51. Acesso em: 7 jul. 2026.