Degefe, G., G. Tamire, S. M. Hassen, and A. Haile. “Evaluation of the Use of Some Benthic Macro-Invertebrate Multimetric Indices Associations With Environmental Variables in Ecological Assessment of Some Ethiopian Rivers”. Hydro Nepal: Journal of Water, Energy and Environment, vol. 20, Jan. 2017, pp. 49-54, doi:10.3126/hn.v20i0.16489.