Assessment of Farmers Willingness to Pay for Private Extension Services Among Maize Farmers in Edo and Delta States, Nigeria. Journal of Agriculture, Forestry and Fisheries, [S. l.], v. 21, n. 2, p. 26–38, 2025. Disponível em: https://jaff.net.ng/index.php/Journal/article/view/5. Acesso em: 17 apr. 2026.