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Socialnata dinamika : fenomeni, tendencii, upravlenie
Naumov, Ilija I. - 1986 - 1. izd
Persistent link: https://www.econbiz.de/10000746675
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Krăstopăt na progresa : problemi, na dialektikata na socialno-ikonomičeskija i naučno-techničeskija progres
Ivanov, Krăstʹo - 1987 - 1. izd
Persistent link: https://www.econbiz.de/10000746678
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Politicheskata organizat︠s︡ii︠a︡ na razvitoto sot︠s︡ialistichesko obshtestvo
Ĭotov, Kolʹo - 1981
Persistent link: https://www.econbiz.de/10000333326
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Upravlenie na socialnoto rauvitie na trudovite kolektivi
Vlajkov, Stojan G. - 1980
Persistent link: https://www.econbiz.de/10002981634
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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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Naselenieto na Bălgarija v načaloto na XXI vek : săstojanie i tendencii
Atanasov, Atanas (contributor) - 2011 - 1. izd.
Persistent link: https://www.econbiz.de/10009491457
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Socialno-ikonomičeskaja transformacija v Bălgarija : osobenosti i teritorialni različija
Ilieva, Margarita Milanova - 2012
Persistent link: https://www.econbiz.de/10009733187
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Socialno-ikonomičesko razvitie na Narodna Republika Bălgarija : 1944-1984 ; cifri i fakti
1984 - 1. izd
Persistent link: https://www.econbiz.de/10002312380
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Devetoseptemvrijskata socialističeska revoljucija 1944
Petrova, Slavka - 1981
Persistent link: https://www.econbiz.de/10002317663