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Privatization revisited : lessons from private sector participation in water supply and sanitation in developing countries / Herath Gunatilake and Mary Jane F. Carangal-San Jose.
- Asian Development Bank. Economics and research department (ERD),
- 2008.
- Manila :
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Utility tariff setting for economic efficiency and financial sustainability : a review / Herath Gunatilake, Pradeep Perera, and Mary Jane F. Carangal-San Jose.
- Asian Development Bank. Economics and research department (ERD),
- 2008.
- Manila :