Machado, V., Granda, R., & Endara González, A. (2018). Analysis of benthic macroinvertebrates and biotic indices to evaluate water quality in Sardina´s river, Ecuadorian Chocó Andino. Enfoque UTE, 9(4), pp. 154 - 167. https://doi.org/10.29019/enfoqueute.v9n4.369