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Mladežta i svobodnoto vreme
Pǔteva, Svoboda - 1979
Persistent link: https://www.econbiz.de/10002674396
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Džendăr izmerenija na razdelenieto na truda v semejstvoto
Kirova, Alla - In: Ikonomičeski alternativi (2007) 1, pp. 65-81
Persistent link: https://www.econbiz.de/10003474286
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Čovek, svobodno vreme i profsǔjuzi
Preslavska, Marieta (contributor);  … - 1981
Persistent link: https://www.econbiz.de/10003110524
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Kultura i socialna aktivnost
Znepolski, Ivajlo - 1980
Persistent link: https://www.econbiz.de/10003023616
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Trudut i rabotnoto vreme v NAPS
Andreev, Nikola G. - 1980
Persistent link: https://www.econbiz.de/10001842549
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Rabotno vreme, uslovija na trud, demografsko povedenie
Michova, Genoveva (contributor);  … - 2007
Persistent link: https://www.econbiz.de/10003527358
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Planirane i regulirane na vrǔzkata meždu razmera na truda i razmera na potrebnostite : Lekcija
Mastikov, Petǔr - 1983
Persistent link: https://www.econbiz.de/10002431935
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Socialni rezultati na naučno-techničeskija progres
Kirova, Krasimira (contributor) - 1988
Persistent link: https://www.econbiz.de/10000792850
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Usăvărštvuvane na socialnoto razvitie v Bălgarija : bibliografija
Andonova, Cvetanka; Angova, Silvija - 1987
Persistent link: https://www.econbiz.de/10000755851
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Materialʹnoe blagosostojanie naroda
Nucubidze, Apollon Gavrilovič (contributor);  … - 1971
Persistent link: https://www.econbiz.de/10000655397