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Energijnata sigurnost na Bălgarija
Željazkov, Ivan; Trifonov, Todor - 2012
Persistent link: https://www.econbiz.de/10009765975
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Upravlenie na energijnija sektor i energijna (ne)sigurnost v Bălgarija
2014
Persistent link: https://www.econbiz.de/10010432399
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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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Predplanovite dejnosti i kačestvoto na planiraneto
Panajotov, Dimităr P. (contributor) - 1989 - 1. izd
Persistent link: https://www.econbiz.de/10000803462
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Dălgosročno prognozirane na razchodite za zdraveopazvane v Bălgarija, 2005 - 2050 g.
Rangelova, Rosica; Sarijski, Grigor - In: Ikonomičeska misăl 52 (2007) 4, pp. 31-52
Persistent link: https://www.econbiz.de/10003596375
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Pol i smartnost: (Bălgarija, 1900 - 2025)
Golemanov, Nikolaj Todorov - 2001
Persistent link: https://www.econbiz.de/10001659293