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Socialističeskoto sǔrevnovanie : vǔprosi na teorijata i praktikata na organizacijata
Čangli, Irina I. (contributor) - 1981
Persistent link: https://www.econbiz.de/10003243161
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Izjavate
Draganov, Mincǒ (contributor);  … - 1980
Persistent link: https://www.econbiz.de/10003160737
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Organizacija i organiziranost na socialnata sistema
Markov, Vankov Marko; Tanev, Gorzdan Markov - 1981
Persistent link: https://www.econbiz.de/10002431544
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Intenzivnost na truda pri socializma : sozialno-ikonomičeski problemi
Aleksiev, Aleksi At. - 1980
Persistent link: https://www.econbiz.de/10001821780