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Teacher's guide for the integrated of water, sanitation and hygiene education, and HIV/aids for grades 1 - 7
The integration of water, sanitation and hygiene education (WASHE) in the teaching of English, social studies, environmental science and mathematics : information and suggested activities, grades 1 - 7
Water, sanitation and hygiene education (WASHE) ; training manual for rural communities
Water for the future : an annotated bibliography for World Water Day and the International Year of Freshwater
Rural water supply and health : the need for a new strategy : summary of papers and discussions from the United Nations Interregional Seminar on Rural Water Supply, Uppsala, Sweden, 6-17 October 1980
Assessing microbial safety of drinking water : improving approaches and methods
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tecnologías de agua
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