M. Adank, Osterwalder, L., Verstraete, L., en Gossa, T.,
“Improving WASH service delivery in small towns : systems approach implemented in Ethiopia”, vol. DP/08/2021. UNICEF and IRC, New York, NY, USA, p. 6 p. : 4 boxes, 2 fig., 2021.
L. Osterwalder, Adank, M., Verstraete, L., en Gossa, T.,
“Monitoring of WASH in small towns : a catalyst for enhancing capacity of water utilities in Ethiopia”, vol. DP/07/2021. UNICEF and IRC, New York, NY, USA, p. 9 p. : 3 boxes, 2 fig., 3 tab., 2021.