Campos Pinilla, M.C., Medina Córdoba, L.K., Fuentes, N.P. and García Montoya, G.I. 2015. Assessment of indicators of fecal contamination in soils treated with biosolids for growing grasses. Universitas Scientiarum. 20, 2 (Mar. 2015), 217–227. DOI:https://doi.org/10.11144/Javeriana.SC20-2.aifc.