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来源:Journal of Advanced Transportation , 2015
作者:Nan Jiang, Stephen D. Boyles, Shoupeng Tang
关键词:integer optimization;cost recovery;...
使用许可:CC BY
来源:Journal of Advanced Transportation , 2015
作者:Nan Jiang, Stephen D. Boyles, Shoupeng Tang
关键词:integer optimization;cost recovery;...
使用许可:CC BY
来源:Water , 2015
作者:Miguel A. Garc-Rubio, Alberto Ruiz-Villaverde, Francisco González-Gómez
关键词:water pricing;urban water services;...
使用许可:CC BY
来源:Water Alternatives , 2009
作者:Michael Kirk, Thomas Falk, Bernadette Bock
关键词:Community-based natural resource management;decentralisation;...
使用许可:Unknown