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- [28] A new proposed method for groundwater vulnerability mapping: A case study in North China Plain WATER-ROCK INTERACTION, VOLS 1 AND 2, PROCEEDINGS, 2007, : 1339 - 1343
- [30] The Analysis of the Validity of China's Regional Investment in Fixed Assets Based on DEA Method 2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31, 2008, : 10046 - +