NWAOBIALA, . C. U.; ODOEMELAM, . L. E. . Constraints to Cocoa Farmers Participation in Farmer Field School (FFS) in Abia state, Nigeria. The Nigerian Journal of Rural Extension and Development, [S. l.], v. 7, n. 1, p. 29–34, 2023. Disponível em: https://journals.ui.edu.ng/index.php/njred/article/view/940. Acesso em: 3 jul. 2024.