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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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Selskostopanska nauka
Bulgarien / Ministerstvo na Zemedelieto i Chranitelnata … - Sofija - 1=7.1962 - 2=8.1963; 3.1964 - 13.1974,4; 14.1976 - …
Persistent link: https://www.econbiz.de/10000462415
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Kooperativno zemedelie : mesečno spisanie na Ministerstvoto na Zemedelieto i Chranitelnata Promišlenost i NTS na Selskostopanskite Specialisti
Sofija - Nachgewiesen 7.1952 - 11.1956; [12.]1957; 13.1958 - …
Persistent link: https://www.econbiz.de/10000479438
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Finansovi regulatori na dochodite na selsko-stopanskite predprijatija
Nikolov, Nikola; Nikova, Ivanka - 1990
Persistent link: https://www.econbiz.de/10000881626
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Strukturni promeni v zemedelieto na Republika Bǎlgarija
Vălčev, Nikola K. (contributor) - 1997 - 1. izd
Persistent link: https://www.econbiz.de/10000977668
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Intenzifikacija i naučno-techničeski progres v selskoto stopanstvo
Ganev, Atanas R. (contributor) - 1987 - Izd. 1
Persistent link: https://www.econbiz.de/10000746687