FAMUYIWA, B. S.; AROYENU, S. O.; ADEYEMI, E. A.; OKENIYI, M. O.; AGBONGIARHOUYI, A. E.; YAHAYA, A. T. Farmers Knowledge, Attitude and Practice of Cocoa Certification in Southwest Nigeria. Journal of Agricultural Extension, [S. l.], v. 22, n. 1, p. 18–29, 2018. DOI: 10.4314/jae.v22i1.3s. Disponível em: https://www.ajol.info/index.php/jae/article/view/179927. Acesso em: 8 nov. 2026.