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World Health Organization ,  United Kingdom. Dept. for International Development ,  [Summary and policy implications Vision 2030 : the resilience of water supply and sanitation in the face of climate change]

World Health Organization ,  [Teacher's guide on basic environmental health / pepared by Merri Weinger]

World Health Organization ,  [Financial management of water supply and sanitation : a handbook, Gestion financière de l' approvisionnement en eau et de l' assainissement : manuelGestión financiera del abastecimiento de agua y del saneamiento : manual]

Adams, John ,  Bartram, Jamie ,  Chartier, Yves ,  Sims, Jackie ,  World Health Organization ,  [Water, sanitation and hygiene standards for schools in low-cost settings / edited by John Adams ... [et al], Normes relatives à l'eau, l'assainissement et l'hygiène en milieu scolaire dans les environnements pauvres en ressources / édité par John Adams ... [et al]Normas sobre agua, saneamiento e higiene para escuelas en contextos de escasos recursos / editado por John Adams ... [et al]]

Whyte, Anne ,  World Health Organization ,  International Drinking Water Supply and Sanitation Decade ,  Guía para planificar las actividades de participación de la comunidad en proyectos de abastecimiento de agua y saneamiento / Anne Whyte

Cox, Charles Raymond ,  World Health Organization ,  [Operation and control of water treatment processes / Charles R. Cox ; prepared in consultation with twenty-four specialists in various countries]

WHO Study Group on Technology for Water Supply and Sanitation in Developing Countries ,  World Health Organization ,  [Technologie de l' approvisionnement en eau et de l' assainissement dans les pays en développement : rapport d' un Groupe d' étude de l' OMS [réuni à Genève du 14 au 19 avril 1986], Technology for water supply and sanitation in developing countries : report of a WHO study group [meeting held in Geneva from 14 to 19 April 1986]]