J. A. Butterworth, Godfrey, S., Regah, A., en Short, S.,
“Monitoring and management of climate resilient water services in the Afar and Somali regions of Ethiopia”, presented at the 01/2018, Loughborough, UK, 2018, vol. Paper 2912, p. 7 p. : 1 fig., 2 photogr., 1 tab.
S. Short, Butterworth, J., Thomas, E., en IRC,
“Real-time monitoring for improved water services in the Ethiopian Lowlands”. USAID, Addis Ababa, Ethiopia, p. 5 p., 2018.