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Lua i Stíl Chicago (17ú heag.)Scheierling, Susanne M. Overcoming Agricultural Pollution Of Water The Challenge Of Integrating Agricultural And Environmental Policies In The European Union Susanne M. Scheierling. The World Bank, 1995.
Lua MLA (8ú heag.)Scheierling, Susanne M. Overcoming Agricultural Pollution Of Water The Challenge Of Integrating Agricultural And Environmental Policies In The European Union Susanne M. Scheierling. The World Bank, 1995.
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