Staykova, C. (2006). Water supply and sanitation strategy: Building on a solid foundation. Hanoi: World Bank.
Trích dẫn kiểu ChicagoStaykova, Camellia. Water Supply and Sanitation Strategy: Building On a Solid Foundation. Hanoi: World Bank, 2006.
Deismireacht MLAStaykova, Camellia. Water Supply and Sanitation Strategy: Building On a Solid Foundation. Hanoi: World Bank, 2006.
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