Biblio

WHO -Geneva, CH, World Health Organization and Geneva, C. H. W. S. S. C. C. Work, “Operations and maintenance of water supply and sanitation systems : case studies”. World Health Organization (WHO), Geneva, Switzerland, p. vii, 182 p., 1994.

WHO -Geneva, CH, World Health Organization, “People in focus : how the Brazilian water and sanitation company Sanepar achieved success by putting its staff and customers first”, vol. no. 5. World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. 36 p.: photogr., 1989.

WHO -Geneva, CH, World Health Organization and UNDP -New York, NY, US, “International meeting on water supply and sanitation decade development : Lisbon, Portugal, 19-22 April 1988 : final report”. World Health Organization (WHO), Geneva, Switzerland, p. 10 p., 1988.

WHO -Geneva, CH, World Health Organization, “Rural and urban development and housing : a case study of health in housing : access to life-saving services in Rio de Janeiro, Brazil”. World Health Organization (WHO), Geneva, Switzerland, p. 5 p., 1987.

WHO -Geneva, CH, World Health Organization, The control of schistosomiasis : report of a WHO Expert Committee, vol. 728. Geneva, Switzerland: World Health Organization (WHO), 1985, p. 114 p.