Zelalem, W., Kifle, D., Mengistu, S. and Wondie, A. 2019. Weed-bed Macro-invertebrate Composition and Abundance in Relation to Water Hyacinth (Eichhornia crassipes (Mart) Solms) in the North-Eastern Lake Tana, Ethiopia. Journal of Agriculture and Environmental Sciences. 2, 1 (Sep. 2019). DOI:https://doi.org/10.20372/jaes.v2i1.186.