查詢 text:Immigration United States Demographic Aspects ，共 2 筆
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9 0 0 0 0The immigration debate :studies on the economic, demographic, and fiscal effects of immigration
- 作者: Smith, James P.,
- 出版: Washington, D.C. : National Academy Press 1998.
- 資料類型: 電子書
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8 0 0 0 0
The new Americans :economic, demographic, and fiscal effects of immigration
- 作者: Smith, James P.,
- 出版: Washington, D.C. : National Academy Press 1997.
- 資料類型: 電子書