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2. G. Borjas, D. Card, and R. Freeman (1993 ), ‘Immigration Policy, National Origin, and Immigrant Skills: A Comparison of Canada and the United States ’ inSmall Differences that Matter: Labor Markets and Income Maintenance in Canada and the United States, in, University of Chicago Press, Chicago, 21 -44 .
3. The Canberra Times(1998 ), ‘Migrants to Face Tougher Skills Tests’, 28 August, 3 .