Biblio

G. Oluwasanya, “Qualitative risk assessment of self-supply hand-dug wells in Abeokuta, Nigeria : a water safety plan approach ”, Waterlines, an international journal of water, sanitation and waste, pp. p. 36 - 49; 1 fig.; 8 tab., 2013.

E. Nissen-Petersen, “Water from dry riverbeds : how dry and sandy riverbeds can be turned into water sources by hand-dug wells, subsurface dams, weirs and sand dams”, vol. no. 3. Asal Consultants, Nairobi, Kenya, p. vii, 60 p. : fig., photogr., tab., 2006.

K. B. Goyol, “Innovative solutions for WATSAN projects in conflict zones : Sudan”, in Towards the millennium development goals - actions for water and environmental sanitation : proceedings of the 29th WEDC conference, Abuja, Nigeria, 2003, Loughborough, UK, 2003, pp. p. 193-195.

S. Collins, Hand-dug shallow wells, vol. no. 5. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 2000, p. 92 p. : boxes, fig., tab.

G. B. Oxfam - Oxford, “Oxfam water supply scheme for emergencies : hand dug well manual”. Oxfam, Oxford, UK, p. 39 p. : fig., 2000.

P. Morgan, “Upgraded well manual for field workers”. Mvuramanzi Trust, Harare, Zimbabwe, p. 27 p.: drwngs., map, 1995.

N. L. Calorama - Elburg, “Information on the construction of "low cost" rural water supplies”. Calorama Rural Development Service, Elburg, The Netherlands, p. 24 p.: ill., 1994.

N. E. Nyanchaga, “Rehabilitation of hand-dug wells and springs”, Aqua : journal of water supply research and technology, pp. p. 233-237: 2 fig., 5 tab., 1994.

R. Bannerman, “Development and the environment”, Waterlines, an international journal of water, sanitation and waste, pp. p. 19-21: photogr., 1993.

G. Garvey, Gebrehiwet, K., and 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, pp. P. 181-184: 2 fig.

G. B. WaterAid - London, “Hand dug wells in Ghana”. WaterAid, London, UK, p. video (28 min.) : VHS, 1990.

P. Morgan, Rural water supplies and sanitation. London, UK: Macmillan, 1990, p. 358 p.: ill.

E. K. Y. Dovlo and Katsekpor, C. K., “Ghana dug wells project”, in Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 84-87: tab.

G. H. Ghana Wate Accra and London, G. B. WaterAid -, “Hand-dug wells, policy and options : 13th-17th July 1989, Mole, Northern Region, Ghana : a WaterAid conference on rural water delivery : conference report”, vol. 1. WaterAid, Accra, Ghana, p. v, 48 p.: tab., 1989.

P. Morgan, “Blair research bulletins for rural water supply and sanitation”. Blair Research Laboratory, Harare, Zimbabwe, p. vii, 343 p.: fig., 1988.

B. C. E. Egboka, Mbanugoh, R. E., Nwogute, N. S., Uma, K. O., and Okpoko, E. I., “Positive implications of hand-dug wells in water resources planning and management in a developing economy such as in Nigeria”, Water international, pp. p. 98-105, 1988.

G. A. Bridger, Rural water supply, vol. no. D1. Ratmalana, Sri Lanka: National Water Supply and Drainage Board, 1988, p. 72 p.: fig.

E. E. N. Nyangeri, “Rehabilitation of hand-dug wells and protected springs in Kisii, Kenya”, vol. no. 29. Tampere University of Technology, Tampere, Finland, p. 110 p.: fig., tab., 1986.

R. B. Isely, “Low cost water supply and sanitation technologies, community participation, and health and socio-economic outcomes : an analysis of interrelationships”. UNICEF Water, Environment and Sanitation Section, New York, NY, USA, p. 78 p.: fig., tab., 1985.

N. L. D. H. V. - Amersfoort, “Low cost water supply for human consumption, cattle watering, small scale irrigation. Part 1 : Survey and construction of wells”. DHV, Amersfoort, The Netherlands, p. 106 p.: ill., 1985.

R. Stark and Steiner, U., “Manual for the construction of handdug drinking water wells in Sarvodaya villages in Sri Lanka”. Helvetas, Swiss Association for Development and Cooperation, Moratuwa, Sri Lanka, p. 34 p.: fig., 1985.

O. Larrea, “Medidas alternativas propuestas para solucionar los problemas de suministro de agua a los nucleos de la colonizacion San Julian en Bolivia”, vol. no. 140. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vii, 131 p.: fig., tab., 1985.

B. D. Hanson, “Water and sanitation technologies : a trainer's manual”, vol. T-32. Peace Corps, Washington, DC, USA, p. 369 p.: ill., fig., 1985.

J. Wilkinson, Hand-dug wells in Senegal. Washington, DC, USA: Peace Corps, 1984, p. 40 p.: fig., tab.

I. Boschi, “Construction of hand dug wells and protection against pollution : interregional project for the implementation and evaluation of special public works programmes”, vol. no. VII. UNDP (United Nations Development Programme), Geneva, Switzerland, p. iii, 56 p.: fig., 1982.