1991
A. A. El Gaddal,
« Hafirs in Sudan », 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. 651-660 : 3 fig., photogr.
J. Naugle,
« Hand augered garden wells ». Lutheran World Relief, Niamey, Niger, p. 29 p.: 10 fig., 18 tech. drwngs, 1991.
G. Garvey, Gebrehiwet, K., et Yegletu, A.,
« Hand dug wells : field experience from Ethiopia », 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, p. P. 181-184: 2 fig.
F. R. U. N. E. P. Indus Paris, ISWA -Copenhagen, DK, International Solid Wastes Association, et Nairobi, K. E. U. N. E. P. -,
« Hazardous waste policies and strategies : a training manual », vol. no. 10. United Nations, New York, NY, USA, p. ca. 270 p.: tab., 1991.
R. F. Carroll,
« Health aspects of latrine construction », vol. 196. Building Research Establishment, Watford, UK, p. 7 p.: fig., 1991.
Z. Ministere ZR et ZR, Z. Ministere,
« Health education flipcharts ». Bureau d'Etudes et de Recherches pour la Promotion de la Sante, Kangu-Mayombe, Zaire, p. 3 sets of flipcharts: ill., 1991.
B. Linney,
« Health images : water images »,
Waterlines, an international journal of water, sanitation and waste, p. p. 6-8: 1 fig., 4 photogr., 1991.
W. Gibbs et Mutunga, P.,
« Health into mathematics », vol. no. 1. Longman Publishers, Harlow, UK, p. xi, 163 p.: ill., fig., tab., 1991.
T. Z. H. E. S. A. W. A. - Mwanza,
« HESAWA and gender awareness : participants manual ». Health through Sanitation and Water (HESAWA), Mwanza, Tanzania, p. 33 p.: ill., fig., 1991.
T. Z. H. E. S. A. W. A. - Mwanza,
« HESAWA concept course : facilitator's handbook ». Health through Sanitation and Water (HESAWA), Mwanza, Tanzania, p. 10 p.: ill., 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., et 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 et 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, p. P. 185-188: 2 fig., 1 tab.