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U.S. visa policy : competition for international scholars, scientists, and skilled workers : hearing before the Subcommittee on Immigration, Border Security, and Citizenship of the Committee on the Judiciary, United States Senate, One Hundred Ninth Congress, second session, August 31, 2006, Richardson, Texas.
HeinOnline Immigration Law & Policy in the US Available online
HeinOnline Immigration Law & Policy in the USHeinOnline Labor & Employment: The American Worker Available online
HeinOnline Labor & Employment: The American WorkerHeinOnline U.S. Congressional Documents Library Available online
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