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Lauria, D.

Mu, X., Lauria, D. & Whittington, D., 1991. Willingness to pay for improved water supplies in Onitsha, Nigeria, S.l.: S.n. Available at: https://pt.ircwash.org/sites/default/files/264.0-91WI-14480.pdf.

Published on: 30/12/2004

Okun, D.A. et al., 1988. Water vending and development : lessons from two countries, (Wash technical report no. 45) Arlington, VA, USA: Water and Sanitation for Health Project (WASH).

Published on: 29/12/2004

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