Ricárdez-Pérez, Juan David, et al. “Vermicompost and Arbuscular Mycorrhizal, Its Effect on Nutrition of Cocoa in Greenhouse Phase”. Ecosistemas Y Recursos Agropecuarios, vol. 7, no. 3, Dec. 2020, pp. 1-12, https://doi.org/10.19136/era.a7n3.2282.