Álvarez-Palomino, Laura, Javier Enrique Vargas-Bayona, and Leidy K. García-Díaz. 2018. “Organic Fertilizer: Agro-Industrial Organic Residue Usage”. Spei Domus 14 (28-29): 1-10. https://doi.org/10.16925/2382-4247.2018.01.04.