Engda, T. A.; Bayabil, H. K.; Legesse, E. S.; Ayana, E. K.; Tilahun, S. A.; Collick, A. S.; Easton, Z. M.; Rimmer, A.; Awulachew, Seleshi Bekele; Steenhuis, T. S. 2011. Watershed hydrology of the (semi) humid Ethiopian highlands. In Melesse, A. M. (Ed.). Nile River Basin: hydrology, climate and water use. Dordrecht, Netherlands: Springer. pp.145-162.

In Melesse, A. M. (Ed.). Nile River Basin: hydrology, climate and water use. Dordrecht, Netherlands: Springer