AJAELU, . B.; ADEOLA , O. O. . The Implementation of Certification Standards and Challenges faced by Smallholder Cocoa Farmers in Osun state Nigeria. The Nigerian Journal of Rural Extension and Development, [S. l.], v. 9, n. 1, p. 30–35, 2023. Disponível em: https://journals.ui.edu.ng/index.php/njred/article/view/935. Acesso em: 3 jul. 2024.