1990
F. Fernandes, Gerrits, T., Said, A. R., and Schoolkate, H.,
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R. L. Alonso,
“Operation and maintenance of water supply and sanitation systems in Brazil”, in
Proceedings of the meeting of the Operation and Maintenance Working Group : Geneva, 19-22 June 1990. Volume 2. Case studies on operation and maintenance of rural and urban water supply systems, 1990, pp. p. 95-101 : 1 fig.
L. Sowa,
“Operations and maintenance of rural water supply systems in Zaire”, in
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B. Kittle and Gollnitz, W. D.,
“Operator evaluation of small systems”,
Journal American Water Works Association, pp. p. 40-45 : fig., photogr., 1990.
A. H. Khan,
“Orangi Pilot Project models”. Orangi Pilot Project, Orangi Town, Karachi, Pakistan, p. 33 p. : ill., tab., 1990.
F. A. Munoz and Salazar, N.,
“Participacion comunitaria, educacion sanitaria e higiene personal : memorias del primer taller regional, realizado en Lima, Peru, 19-23 de marzo, 1990”. CEPIS (Centro Panamericano de Ingenieria Sanitaria y Ciencias del Ambiente), Lima, Peru, p. 172 p., 1990.
J. Hubley,
“Participatory learning exercises for water and sanitation training”. Leeds Polytechnic, Department of Health Education, Leeds, UK, p. 12 p., 1990.
R. Franceys,
“Paying for water : urban water tariffs”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 9-12: photogr., 1990.
L. Jennings and Wall, D.,
“Peace Corps guinea worm eradication program start-up workshop, Lome, Togo, January 22-26, 1990”, vol. no. 296. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vii, 75 p., 1990.
UN-HABITAT -Nairobi, KE, United Nations Human Settlements Programme,
“People, settlements and sustainable development”. UN-Habitat, United Nations Centre for Human Settlements, Nairobi, Kenya, p. iii, 69 p.: fig., tab., 1990.
N. Mukherjee,
“People, water and sanitation : what they know, believe and do in rural India”, New Delhi, India: Rajiv Gandhi National Drinking Water Mission, 1990, p. 40 p.: fig., photogr.
M. Marchand and de Haes, H. A. Udo,
“The people's role in wetland management : proceedings of the International Conference Leiden, The Netherlands, June 5 - 8, 1989”. Leiden University, Centre for Environmental Studies, Leiden, The Netherlands, p. xiii, 872 p. : fig., maps, tab., 1990.
P. Wirojanagud,
“The People's Volunteer Weir Programme : a three-way collaboration in irrigation”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 24-26: photogr., 1990.
K. Goitom,
Performance of pilot scale slow sand filters using different local sands in Ethiopia, vol. no. 44. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 54 p., app. 3 p.: fig., tab.