AFOLAYAN, O. Soil-Plant Nutrient Cycling in Old Cocoa Farms in a Part of South Western Nigerian Forest Belt. Tanzania Journal of Science, [S. l.], v. 46, n. 2, p. 564–572, 2020. Disponível em: http://tjs.udsm.ac.tz/index.php/tjs/article/view/165. Acesso em: 7 jul. 2025.