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    On workers' education [lectures of the seminar held October 17-31, 1958 under the sponsorship of the U.P. Labor Education Center in cooperation with the International Confederation...

    Vydáno 1958
    Kniha

    On workers' education [lectures of the seminar held October 17-31, 1958 under the sponsorship of the U.P. Labor Education Center in cooperation with the International Confederation of Free Trade Unions and the UNESCO].

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