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Labor in the South
Marshall, F. Ray, (1967)
Trade union organisation in Ireland
Hillery, Brian, (1975)
Din experiența organizațiilor noastre sindicale
(1975)
Economic growth, inequality and migration
Levy-Livermore, Amnon, (2002)
Trade Union Membership Fees: Some Theoretical Considerations.
Levy, A., (1995)
Trends in Inter-Country Income Differences: World Levels and Decomposition Between and Within Regions.
Levy, A., (1996)