Gutiérrez Cruz, I., Rivera Carrión, E. and Roldán Reascos, G. (2016) “Quality analysis of effluents from biodigesters in lodges located in the Cuyabeno Wildlife Reserve”, Enfoque UTE, 7(3), pp. pp. 57 - 69. doi: 10.29019/enfoqueute.v7n3.105.