1991
L. Mesfin,
« Applicability of artificial recharge of groundwater in Mojo, Ethiopia », vol. no. 47. Tampere University of Technology, Institute of Water and Environmental Engineeri, Tampere, Finland, p. : 20 fig., 23 tab., 1991.
S. Vigneswaran, Vigneswaran, B., et Ben Aim, R.,
Application of microfiltration for water and wastewater treatment, vol. no. 31. Bangkok, Thailand: Environmental Sanitation Information Center, ENSIC, 1991, p. 184 p.: fig., tab.
R. Franceys, Barker, P., et Akosa, G.,
« Appraisal and evaluation : a new approach », in
Infrastructure for low-income communities : proceedings of the 16th WEDC conference : Regional Centre for Urban and Environmental Studies (RCUES), Osmania University, Hyderabad, India, 27-31 August, 1990, 1991, p. P. 127-130: 2 tab.
I. N. Kerala Wat Trivandrum,
« Approach to monitoring and evaluation of water supply and sanitation programme », in
NAP India '91 : conference on Indo-Dutch bilateral cooperation in rural water supply and sanitation, February 25-26 1991, Lucknow, 1991, p. 8 p.
L. Andersson-Brolin, Lorentzson, B., -Memiri, O., Michanek, E., et Ndagala, D.,
« The art of survival : a study on sustainability in health projects ». SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. 5, 41, 16 p. : fig., tab., 1991.
N. L. I. W. A. C. O. - Rotterdam, Social Planning, Analysis and Administration Consultants -Cairo, EG, SPAAC, et Cairo, E. G. U. N. I. C. E. F. -,
« Assessment of the impact of a combined water and sanitation programme in Upper Egypt : proximate impact analysis : environmental sanitation survey ». IWACO, Rotterdam, The Netherlands, p. iii, 84 p. + annexes (ca. 40 p): fig., tab., 1991.
B. Faso. Dire BF,
« Atelier national sur l'approvisionnement en eau potable des centres secondaires : document final ». Burkina Faso, Ministere de l'Eau, Direction de Etudes et de la Planification, Ouagadougou, Burkina Faso, p. 148 p. : fig., tab., 1991.
A. Mitra,
« Awareness building for community participation », in
Infrastructure for low-income communities : proceedings of the 16th WEDC conference : Regional Centre for Urban and Environmental Studies (RCUES), Osmania University, Hyderabad, India, 27-31 August, 1990, 1991, p. P. 161-164: photogr.
M. D. Sobsey, Moe, C. L., Samsa, G. P., et Mesolo, V.,
« Bacterial indicators of risk of diarrhoeal disease from drinking-water in the Philippines »,
Bulletin of the World Health Organization, p. p. 305-316, 1991.
Socio-Economic Units, Kerala -Trivandrum, IN et Trivandrum, I. N. Kerala Sta,
« The bacterial quality of water in selected wells in Kerala : an investigation », vol. no. 6. Kerala Water Authority, Socio-Economic Units, Trivandrum, India, p. iii, 23 p. : tab., 1991.
K. Nwe Oo, Han, A. M., Aye, T., et Hlaing, T.,
« Bacteriologic studies of food and water consumed by children in Myanmar : 2. Lack of association between diarrhoea and contamination of food and water »,
Journal of diarrhoeal diseases research, p. p. 91-93: tab., 1991.
C. Nair,
« Bangkok's deteriorating groundwater »,
Waterlines, an international journal of water, sanitation and waste, p. p. 21-23: photogr., 1991.