1991
T. Z. H. E. S. A. W. A. - Mwanza,
“HESAWA concept course: participants manual”. Health through Sanitation and Water (HESAWA), Mwanza, Tanzania, p. iii, 46 p.: ill., 1991.
Z. S. Pawlowski, Schad, G. A., en Stott, G. J.,
Hookworm infection and anaemia : approaches to prevention and control. Geneva, Switzerland: World Health Organization (WHO), 1991, p. vi, 96 p.: 16 fig., 24 tab.
R. D. Faulkner en Lambert, R. A.,
“Household pumps from the informal sector”, in
Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, pp. P. 185-188: 2 fig., 1 tab.
I. Patel,
“Human resource development for rural sanitation”, in
NAP India '91 : conference on Indo-Dutch bilateral cooperation in rural water supply and sanitation, February 25-26 1991, Lucknow, 1991, p. 17 p.
M. Detay, Poyet, P., en Brisson, E.,
“Hydrolab : le systeme expert d'aide a l'implantation de forages : concepts, techniques et application au Burkina Faso”. Comite Interafricain d'Etudes Hydrauliques (CIEH), Ouagadougou, Burkina Faso, p. 120 p. : 34 fig., 5 tab., 1991.
B. Chuzeville,
Hydrologie tropicale et appliquee en Afrique subsaharienne. Paris, France: Agridoc International, 1991, p. 275 p. : fig., photogr., tab.
D. D. Mara, Pinfold, J., en Hubley, J.,
“A hygiene intervention study in rural north-east Thailand”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 9-12: 4 fig., ill., photogr., 1991.
A. Barmentloo,
“Hygiene-voorlichting in Nepal : een analyse”. Gezondheidskunde Lerarenopleiding Utrecht, Utrecht, The Netherlands, p. 56 p.: drwng., map., 1991.
F. Lai Khim,
“IDRC global handpump network”, in
Collaborative council global forum, Oslo, September 18-20, 1991 : collected papers, 1991, p. 9 p.: tab., map.
I. N. U. N. I. C. E. F. - Ne Delhi,
“IEC for WESS : report of field test”. UNICEF India Country Office, New Delhi, India, p. 202 p. : ill., tab., 1991.
J. VanSant, Sonnemann, J., en Klees, R.,
“Impacts and lessons learned from the rural water borne disease control project Swaziland”, vol. no. 328. Environmental Health Project (EHP), Arlington, VA, USA, p. x, 67 p.: 2 fig., 1 map, 4 tab., 1991.
R. T. Raab, Swanson, B. E., Wentling, T. L., en Clark, C. D.,
Improving training quality : a trainers' guide to evaluation, [Rev. ed.]. Rome, Italy: Food and Agriculture Organization (FAO), 1991, p. vii, 157 p.: fig.
C. Reij,
Indigenous soil and water conservation in Africa, vol. no. 27. London, UK: International Institute for Environment and Development (IIED), 1991, p. 35 p.: 4 fig., 2 tab.
Netherlands. Ministry of Housing, Spatial Planning and the Environment -NL, VROM,
Individuele behandeling van afvalwater bij verspreide bebouwing (IBA) : onderzoek fase 4B : IBA richtlijn, vol. no. 1991/7. The Hague, The Netherlands: Netherlands, Ministry of Housing, Spatial Planning and the Environment, 1991, p. 186 p. : fig., tab.