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1كتاب
مصطلحات موضوعية: Student and Exchange Visitor Information System (U.S.) -- Management., United States. Department of Homeland Security -- Rules and practice., U.S. Immigration and Customs Enforcement., Flight schools -- United States -- Foreign students., Flight schools -- Accreditation -- United States., Students, Foreign -- Legal status, laws, etc. -- United States., Visitors, Foreign -- Legal status, laws, etc. -- United States., Legislative hearings.
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2كتاب
مصطلحات موضوعية: U.S. Immigration and Customs Enforcement., Emigration and immigration law -- United States -- States., Illegal aliens -- Government policy -- United States., Immigration enforcement -- United States -- States., Law enforcement -- United States -- States., Racial profiling in law enforcement -- United States -- States., Intergovernmental cooperation -- United States., Exclusive and concurrent legislative powers -- United States., Legislative hearings.
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3كتاب
مصطلحات موضوعية: United States. Department of Homeland Security -- Rules and practice., Visas -- Government policy -- United States, Visas -- Economic aspects -- United States., National security -- United States, Admission of nonimmigrants -- Economic aspects -- United States., Tourism -- United States, Legislative hearings.
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4كتاب
مصطلحات موضوعية: Border security -- Northern boundary of the United States., Border security -- Northern boundary of the United States -- Finance., Border security -- Economic aspects -- United States., Ports of entry -- Security measures -- United States -- Finance., Intergovernmental cooperation -- Government policy -- United States., Immigration enforcement -- Northern boundary of the United States.
جغرافية الموضوع: United States -- Boundaries -- Canada., Canada -- Boundaries -- United States.
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5كتاب
مصطلحات موضوعية: Agricultural laborers -- Supply and demand -- United States., Seasonal labor -- Supply and demand -- United States., Agricultural laborers, Foreign -- Government policy -- Economic aspects -- United States., Migrant agricultural laborers -- Government policy -- Economic aspects -- United States., Seasonal labor -- Economic aspects -- United States., Agricultural productivity -- United States., Visas -- Economic aspects -- United States.
جغرافية الموضوع: United States -- Emigration and immigration -- Government policy.
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6كتاب
مصطلحات موضوعية: Visas -- Government policy -- United States., Returned students -- Economic aspects -- United States., Science -- Study and teaching (Higher) -- Economic aspects -- United States., Engineering -- Study and teaching (Higher) -- Economic aspects -- United States.
جغرافية الموضوع: United States -- Emigration and immigration -- Economic aspects., United States -- Emigration and immigration -- Government policy.
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7
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8كتاب
مصطلحات موضوعية: Illegal aliens -- Employment -- Government policy -- United States., Alien labor certification -- United States., Employee screening -- Government policy -- United States., Employees -- United States -- Identification -- Data processing., False certification -- United States -- Prevention., Foreign worker certification -- United States.
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9
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10كتاب