García, A.V. and Jacobo Marroquín, J.R. 2024. Obtainment and physicochemical characterization of a nutritional substrate made from cocoa waste for the production of vegetable seedlings. Ciencia, Cultura y Sociedad. 8, 2 (Nov. 2024), 15–20. DOI:https://doi.org/10.69789/ccs.v8i2.626.