Biblio

WHO -Geneva, CH, World Health Organization y Geneva, C. H. W. S. S. C. C. Work, «[Report of the second meeting : Working Group on Promotion of Sanitation Water Supply and Sanitation Collaborative Council, 3-5 October 1994, Hilterfingen, nr. Thun, Switzerland : various papers]». World Health Organization (WHO), Geneva, Switzerland, p. various papers: fig., map, tab., 1994.

WHO -Geneva, CH, World Health Organization y Stockholm, S. E. S. I. D. A. -, «WHO/SIDA cooperation in Africa». World Health Organization (WHO), Geneva, Switzerland, p. 30 p., 1985.