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Clark, C.D.

Clark, C.D. et al., 2001. Investing in water quality : measuring benefits, costs and risks, Washington, DC, USA: Inter-American Development Bank.

Fecha publicación: 01/01/1970

Raab, R.T. et al., 1991. Improving training quality : a trainers' guide to evaluation [Rev. ed.]., Rome, Italy: Food and Agriculture Organization (FAO). Available at: https://es.ircwash.org/sites/default/files/Raab-1991-Improving.pdf.

Fecha publicación: 29/12/2004

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