G. T. I. S. M. U. - Guatemala,
«Analisis regional sobre la problematica de las areas precarias urbanas». Instituto para la Superacion de la Miseria Urbana del Istmo de Centro America, Guatemala, Guatemala, p. 62 p. : fig., tab., 1992.
WHO -Geneva, CH, World Health Organization y Harare, Z. W. Blair Rese,
«Appropriate sanitation for very low income communities. Vol. I : Background reader for a workshop in Harare, Zimbabwe, November 1991». World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. 36 p.: drawing, 1992.
WHO -Geneva, CH, World Health Organization, Morgan, P., y Harare, Z. W. Blair Rese,
«Appropriate sanitation for very low income communities. Volume 1. Background reader for a workshop in Harare, Zimbabwe, November 1991». World Health Organization (WHO), Geneva, Switzerland, p. 36 p. : ill., tab., 1992.
F. Davidson,
Community participation in Zambia : the Danida/UNCHS training programme. Nairobi, Kenya: UN-Habitat, United Nations Centre for Human Settlements, 1992, p. 56 p. : 27 fig., 2 tab.
Y. Chartier,
«Hygiene facilities in rural and poor urban areas and a proposal for sullage - using pour-flush toilet». University of Leeds, Department of Civil Engineering, Leeds, UK, p. 148 p.: 31 fig., ill., photogr., 6 tab., 1992.
A. H. Khan,
«Orangi Pilot Project programs». Orangi Pilot Project - Research and Training Institute (OPP-RTI), Karachi, Pakistan, p. 53 p.: 1 map, 1992.
B. Skinner y Franceys, R.,
«Research into cost effective technologies for water supply in guinea worm endemic areas». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. 86, 5 p.: fig., tab., 1992.
U. Winblad y Nordberg, E.,
«Urban environmental health and hygiene in sub-Saharan Africa». SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. 31 p.: 10 tab., 1992.