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Occupational Classification
Martin, Margaret, (1967)
Worker's rights : east and west ; a comparative study of trade union and worker's rights in weastern democracies and eastern europe
Karatnycky, Adrian, (1980)
[Besprechung von:] The international labor movement in transition. Essays on Africa, Asia, Europe, and South America. Eds.: Adolph Sturmthal and James A. Scoville. Urbana 1973
Levine, Solomon B., (1977)