[Mobility in European Union countries after Maastricht: a commentary].
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D003710:Demography; D004641:Emigration and Immigration; D005062:European Union; D007391:International Cooperation; D009938:Organizations; D011153:Population; D011157:Population Dynamics; D011640:Public Policy; D014171:Transients and Migrants
Demographic Factors; European Community; International Cooperation; International Migration--determinants; Labor Migration; Migration; Migration Policy; Organizations; Policy; Population; Population Dynamics; Population Policy; Social Policy