Díaz C., A., Atencio G, V. y Pardo C, S. 2014. Assessment of an artificial free-flow wetland system with water hyacinth (Eichhornia crassipes) for treating fish farming effluents. Revista Colombiana de Ciencias Pecuarias. 27, 3 (jul. 2014), 202–210. DOI:https://doi.org/10.17533/udea.rccp.324893.