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Regulation of WS&S services in small towns : a review of experience in selected countries in Latin America, (In: Fragano, F., Linares, C., Lockwood, H., Rivera, D., Trevett, A. & Yepes, G., 2001. Case studies on decentralization of water supply and sanitation services in Latin America. (Strategic report / EHP no. 1) ) Arlington, VA, USA: Environmental Health Project (EHP). Available at:
https://fr.ircwash.org/sites/default/files/Fragano-2001-Case.pdf.