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Bălgaro-nemski kulturni otnošenija 1806-1966 : bibliografija
Kunčev, Stefan (contributor); Radev, Trajan (contributor);  … - 1968
Persistent link: https://www.econbiz.de/10000021994
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Problemi na naukata i obrazovanieto : (izbrani dokladi, statii i izkazvanija)
Balevski, Angel - 1974
Persistent link: https://www.econbiz.de/10000639388
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Sistemata nauka-proizvodstvo v ikonomicheskoto razvitie na NRB : [monogr.]
Pandeva, Margarita - 1979
Persistent link: https://www.econbiz.de/10000424519
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Istorija na obrazovanieto i pedagogičeskata misăl v Bălgarija
Čakărov, Najden G.; Atanasov, Žečo G. - 1962 - 2. prerab. izd
Persistent link: https://www.econbiz.de/10002330983
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"Malkijat svjat" na goljamata nauka
Stefanov, Nikola Kostadinov - 1981
Persistent link: https://www.econbiz.de/10002879269
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Č. 1 : Narodno obrazovanie, nauka, kulturen život, pečat, naučnoateistična propaganda
Dekalo, Văla S. - 1984
Persistent link: https://www.econbiz.de/10001386499
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Inovacionnata aktivnst na bălgarskite predprijatija : faktori i politika za razvitie
Jalămov, Todor; Georgieva, Teodora - In: Ikonomika 63 (2009) 1, pp. 46-51
Persistent link: https://www.econbiz.de/10003888984
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Săstojanie i problemi na inovacionnata dejnost v Bălgarija
Damjanova, Lilija - In: Ikonomičeska misăl 51 (2006) 4, pp. 70-88
Persistent link: https://www.econbiz.de/10003468087
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Liderstvoto - vreme e za promeni : meždunarodna naučno-praktičeska konferencija : 4 juni 2015
Meždunarodna naučno-praktičeska konferencija …; … - 2015
Persistent link: https://www.econbiz.de/10011445531