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Filters: Author is Castillo, O. [Clear All Filters]
«The new operators in Peruvian small towns : designing a sustainable management model for water and sanitation services». Water and Sanitation Program - Latin American and Carribean Region, Lima, Peru, p. 45 p., 2008.
, «Metodologías participativas en educación sanitaria : una adaptación de PHAST para comunidades rurales andinas del Perú». Lima, Peru, p. 123 p., 2001.
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