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S. Price,
“New initiatives in water supply and sanitation : project success and sustainability”, vol. no.1. AusAID Australian Agency for International Development, Canberra, ACT, Australia, p. 24 p., 1990.
N. L. Euroconsul Arnhem, Khartoum, S. D. National U., SD, S. Ministry o, and DGIS, D. General fo,
“Nyala and El Geneina water supply project phase 2 : rehabilitation and upgrading : final report”. Euroconsult, Arnhem, The Netherlands, p. i, 30 p.: 5 fig., 2 tab., 1990.
F. Fernandes, Gerrits, T., Said, A. R., and Schoolkate, H.,
“Onderhoud rurale drinkwatervoorziening : onderhoud - voorlichting - waterleiding, Guine-Bissau : een evaluatie van de pilot fase”. Netherlands, Ministry of Foreign Affairs, DGIS, The Hague, The Netherlands, p. 69 p., 1990.
S. A. Loomis,
“Pre-implementation workshop for the water and sanitation for health and Ecuadorian development project, November 29-December 1, 1989”, vol. no. 288. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. viii, 70 p.: tab., 1990.
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“Reading, writing and cultivating : the role of literacy in irrigation”, vol. no. 90/2c. Overseas Development Institute (ODI), London, UK, p. 18 p., 1990.
A. Wyatt,
“A re-examination of costs and benefits of rural water supply projects in Central Tunisia”, vol. no. 298. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. viii, 78 p.: fig., tab., 1990.