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Radnici prema stepenu stručnog obrazovanja i polu : snimanje zaposlenog osoblja, 31. decembra 1976
(1980)
Popis male privrede u individualnom sektoru svojine u 1984
(1987)
The labor force of Hungary
Baum, Samuel, (1962)
Atlas of the Third World
Kurian, George Thomas, (1983)
Magnitude and distribution of the labor force in Eastern Europe
Elias, Andrew, (1970)
A quantitative assessment of the U.S. constraints on trade with Eastern Europe and the U.S.S.R.
Elias, Andrew, (1974)