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Ikonomika i planirane na energijnoto stopanstvo v promišlenostta : metodičeski ukazanija
Rajkov, Georgi I. - 1989
Persistent link: https://www.econbiz.de/10000897332
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Gorivno-energijnite resursi - globalen problem na săvremennostta
Dunov, Ivan - 1985
Persistent link: https://www.econbiz.de/10000716692
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Problemi na meždunarodnite ikonomičeski otnošenija
Šarenkov, Stefan (contributor) - 1986
Persistent link: https://www.econbiz.de/10000717559
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Energijnata sigurnost na Bălgarija
Željazkov, Ivan; Trifonov, Todor - 2012
Persistent link: https://www.econbiz.de/10009765975
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Văzobnovjaemi energijni iztočnici
Kiskinov, Nikolaj; Кискинов, Николай - 2012
Persistent link: https://www.econbiz.de/10010238059
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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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Globalizacija i neftegazovyj biznes : faktor nefti i gaza v Kaspijskom i Balkanskom geopolitičeskom uzle
Zlatev, Valentin V. - 2001
Persistent link: https://www.econbiz.de/10002139016
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Elektroenergetikata v Bălgarija
Nabatov, Nikita (contributor) - 2015
Persistent link: https://www.econbiz.de/10011400333