“Experiences with slow sand filtration in Ethiopia”
, in Advances in slow sand and alternative biological filtration
, 1996, pp. P. 379-387 : 3 fig.
“Upgrading drinking water treatment plants : a manual for design and operation”
. World Health Organization (WHO), Geneva, Switzerland, p. ca. 400 p. : fig., ill., tab., 1996.
“Water supply in Rwanda : from war to sustainability”
, in Sustainability of water and sanitation systems : proceedings of the 21st WEDC conference, Kampala, Uganda, 4-8 September 1995
, 1996, pp. P. 70-72 : 1 tab.
Water supply system in Dodota - Ethiopia
, vol. no. 96/23. Stockholm, Sweden: SIDA, Swedish International Development Cooperation Agency, 1996, p. iii, 58 p. : ill., tab.