Biblio

UNDP -New York, NY, US, «Ferrocement rainwater tanks». UNDP (United Nations Development Programme), New York, NY, USA, p. 75 p. : ill., 1994.

UNDP -New York, NY, US, «Ferrocement rainwater tanks». UNDP (United Nations Development Programme), New York, NY, USA, p. 75 p. : ill., 1994.

UNDP -New York, NY, US, «Reinforced coral sewage pipes : a low-cost alternative for the developing world's coasts», Source, p. p. 20: photogr., 1989.

World Bank -Washington, DC, US, UNDP -New York, NY, US, BW, B. -, y UNICEF -New York, NY, US, «Self help environmental sanitation project : end of project evaluation report». UNICEF, New York, NY, USA, p. 69 p., 1988.

UNDP -New York, NY, US y Geneva, C. H. I. L. O. -, Gabions, vol. no. 3. Geneva, Switzerland: International Labour Office (ILO), 1986, p. 54 p.: fig.

UNDP -New York, NY, US y WHO. Regional Office for South-East Asia -New Delhi, IN, SEARO, «Case study on community attitudes towards public and private toilets, Maldives». World Health Organization (WHO), New Delhi, India, p. 56 p.: fig., tab., 1985.

UNDP -New York, NY, US, WHO -New Delhi, IN, World Health Organization, y Bangkok, T. H. Mahidol Un, «Provision of safe drinking water in rural poverty areas of Thailand : a case study in Yasothon Province». World Health Organization (WHO), New Delhi, India, p. 27 p.: fig., tab., 1985.