1991
G. J. Alaerts, Buiteman, J. P., et Rahman, S. S. A.,
« Use of Indonesian flocculating soil in water treatment »,
Water supply : the review journal of the International Water Supply Association, p. p. S95-S101: 6 fig., 5 tab., 1991.
N. V. Tuan et Van Lanh, L.,
« Utilization of rain water for domestic activities in Thaibinh and Nghetinh Provinces in Vietnam », in
Rainwater catchment for future generations : proceedings of the 5th International Conference on Rain Water Cistern Systems, Keelung, Taiwan, 4-10 August 1991, 1991, p. P. 558-567 : 3 fig., 3 tab.
K. Parker, Steckler, A., Foushee, V., Adeniyi, J. D., et Oladepo, O.,
« The value of participatory needs assessment : in-service training in health education for child survival in Africa »,
Hygie : international journal of health education, p. p. 40-45: 5 tab., photogr., 1991.
C. Singh,
« Water and health for all? »,
Waterlines, an international journal of water, sanitation and waste, p. p. 29-32: 4 photogr., 1991.
J. T. Visscher et IRC International Water and Sanitation Centre, The Hague, NL,
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Lessons learned in community-based environmental management : proceedings of the primary environmental care workshop, Siena, Italy, 29 January - 2 February 1990, 1991, p. P. 65-75.
C. Smith,
« Water and sanitation are not enough »,
Dialogue on diarrhoea, p. p. 5-6: 1 fig., photogr., 1991.
R. H. Swenson et Rahe, T. M.,
« Water and sanitation efforts among displaced Kurdish citizens », vol. no. 339. Environmental Health Project (EHP), Arlington, VA, USA, p. ix, 79 p.: photogr., 1991.
M. F. Djerrari,
« Water and sanitation in urban areas of big African cities »,
Water supply : the review journal of the International Water Supply Association, p. P. FS 18 - FS 22: 5 fig., 6 tab., 1991.
L. Pelepele et Barraclough, D. S.,
« Water and Sewerage Branch in transition », in
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