1990
J. van Winden,
“Rural mechanics course. 4 : Technical drawing”. TOOL, Amsterdam, The Netherlands, p. 100 p.: tech. drwngs, 1990.
PROWWESS -New York, NY, US and Water and Sanitation Program -Washington, DC, US, WSP,
“Rural sanitation in Lesotho : from pilot project to national program”, vol. no. 3. World Bank, Washington, DC, USA, p. ix, 26 p. : photogr., 1990.
M. Strauss,
“Rural sanitation in Zhejiang province, China : report of mission 2-8 April 1990”. International Reference Centre for Waste Disposal, Duebendorf, Switzerland, p. ii, 21 p.: fig., photogr., 1990.
C. S. L. Chachage, Nawe, J., and Wilfred, L. L.,
“Rural water and sanitation programme in Morogoro and Shinyanga regions : a study on women involvement in the implementation of the programme”. Dar es Salaam University Press, Dar es Salaam, Tanzania, p. x, 68 p.: tab., 1990.
P. Morgan,
Rural water supplies and sanitation. London, UK: Macmillan, 1990, p. 358 p.: ill.
UNDP -New York, NY, US,
“Safe water 2000”. UNDP (United Nations Development Programme), New York, NY, USA, p. video (13 min.): VHS, 1990.
S. Cairncross,
“Sanitation and the control of hookworm disease”, in
Hookworm disease : current status and new directions, 1990, pp. P. 304-317: 4 fig., 3 tab.
M. Yusuf and Hussain, A. M. Zakir,
“Sanitation in rural communities in Bangladesh”,
Bulletin of the World Health Organization, pp. p. 619-624: tab., 1990.
Socio-Economic Units, Kerala -Trivandrum, IN,
“Sanitation strategy”. Kerala Water Authority, Socio-Economic Units, Trivandrum, India, p. 32 p.: fig., 1990.
UNDP -New York, NY, US and de l'Industrie, del'Hydrauli,
“Schema directeur de mise en valeur des ressources en eau du Mali”. UNDP Department of Technical Cooperation for Development, New York, NY, USA, p. 2 vol. (281, 113 p.) : fig., tab., 1990.
Z. Ministry o ZW,
“Sector paper on water supply and sanitation in commercial farming areas”, in
Decade consultative meeting on water supply and sanitation 1981-90 : Harare, 26-30 November 1990 : proceedings and resolutions, 1990, p. ca. 12 p.: tab.
Rand Urban Government,
“Sector paper on water supply and sanitation in communal lands”, in
Decade consultative meeting on water supply and sanitation 1981-90 : Harare, 26-30 November 1990 : proceedings and resolutions, 1990, p. ca. 20 p.: fig., tab.
Rand Urban Government,
“Sector paper on water supply and sanitation in resettlement areas”, in
Decade consultative meeting on water supply and sanitation 1981-90 : Harare, 26-30 November 1990 : proceedings and resolutions, 1990, p. Ca. 15 p.: tab.
S. C. Tsvakwi,
“Sector paper on water supply and sanitation in urban areas”, in
Decade consultative meeting on water supply and sanitation 1981-90 : Harare, 26-30 November 1990 : proceedings and resolutions, 1990, p. Ca. 15 p.: tab.
Rand Urban Government,
“Sector paper on water supply and sanitation in Zimbabwe”, in
Decade consultative meeting on water supply and sanitation 1981-90 : Harare, 26-30 November 1990 : proceedings and resolutions, 1990, p. 30 p.: fig. tab. maps.