S. Alemu,
« Nation to monitor sustainable WASH service delivery »,
The Ethiopian Herald . Ethiopian Press Agency, EPA, Addis Ababa, Ethiopia, p. 1 p.; 1 photograph, 2013.
S. Cairncross, Cumming, O., Jeandron, A., Rheingans, R., Ensink, J. H. J., Brown, J., Cavill, S., Baker, S., Schmidt, W. - P., Amery, J., Bibby, S., Harvey, M., Howard, G., Mulligan, J., O’Connor, H., Ryan-Collins, L., Swann, P., Wijesekera, S., et Woolnough, D.,
« Water, sanitation and hygiene : evidence paper ». Department for International Development, DFID, London, UK, p. 127 p.; 24 fig.; 11 tab.; 6 boxes, 2013.