Naafs, A. y Gezahegn, B., «Climate resilient WASH : working across SDG 6». IRC, The Hague, the Netherlands, p. 10 p. : 1 fig., 1 tab., 2022.

Hailegiorgis, B., McSpadden, B., Gezahegn, B., Ibrahim, J, Pearce, J., Mekonta, L., Adank, M., Abera, M., Mussa, M., y Gashawbeza, N., «Final report on action research to strengthen monitoring, infrastructure management and planning in rural water, Ethiopia : Sustainable WASH Systems Learning Partnership Concept 1 (Ethiopia)». IRC Ethiopia, Addis Ababa, Ethiopia, p. 100 p. : 40 fig., 28 tab., 2021.