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Elektroenergetikata v Bălgarija
Nabatov, Nikita (contributor) - 2015
Persistent link: https://www.econbiz.de/10011400333
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Văzobnovjaemi energijni iztočnici
Kiskinov, Nikolaj; Кискинов, Николай - 2012
Persistent link: https://www.econbiz.de/10010238059
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Razvitie na văzobnovjaemite energjni iztočnici v Bălgarija
Grigorova, Veselina - In: Ikonomičeska misăl 55 (2010) 4, pp. 50-65
Persistent link: https://www.econbiz.de/10008699325
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Naučnata politika ba Bălgarija v oblastta na VEI prez vtorata polovina na XX i načaloto na XXI vek
Damjanov, Plamen - 2020
Persistent link: https://www.econbiz.de/10012434567
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Săstojanie i razvitie na izostanalite selski rajoni v Bălgarija : po primera na obština dălgopol
Dobrev, Dobrin; Kolev, Kalojan - In: Ikonomičeski izsledvanija 18 (2009) 2, pp. 167-197
Persistent link: https://www.econbiz.de/10003932860
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Tipologija na selski rajoni v Bălgarija
Janakieva, Ivanka - In: Ikonomičeska misăl 52 (2007) 1, pp. 23-41
Persistent link: https://www.econbiz.de/10003529155
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Analiz na izmenenieto na srednata prodălžitelnost na života v Bălgarija v gradovete i selata za perioda 1947 - 1994 g.
Murgova, Mariana - In: Naselenie : spisanie na Instituta za Izsledvane na … (1996) 1, pp. 34-44
Persistent link: https://www.econbiz.de/10001240606
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Geodemografsko săstojanie i seliščna struktura: ( v selskite rajoni na južen centralen rajon)
Marinov, Petʹr - 2018
Persistent link: https://www.econbiz.de/10011846704
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FRG i novite technologii
Cekin, Georgi - 1986
Persistent link: https://www.econbiz.de/10000698903
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Social policy of modern Germany - opportunities for aplication in Bulgaria
Fileva, Margarita - 2007
Persistent link: https://www.econbiz.de/10003716799