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Patentite za izobretenija kato indikator za tehnologičnoto razvitie na oblast himija i metalurgija v Bălgarija prez perioda 2001 - 2010 g.
Georgieva, Rumjana - In: Ikonomičeski alternativi (2011) 4, pp. 40-71
Persistent link: https://www.econbiz.de/10009488495
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Čelen proizvodstven opit i vnedreni novosti
Pavlova, N. (contributor) - 1981
Persistent link: https://www.econbiz.de/10003103263
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Nauka proizvodstvo potreblenie : sŭzdavane i realizacija na naučno-techničeskite novovŭvedenija
Georgiev, Ilija - 1981
Persistent link: https://www.econbiz.de/10002231555
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Malkite strani na Zapadna Evropa : problemi na săvremennata ikonomika
Chubenova-Delisivkova, Tatjana (contributor) - 1991
Persistent link: https://www.econbiz.de/10000830534
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Work psychology in Europe
Gliszczyńska, Xymena (contributor);  … - 1980
Persistent link: https://www.econbiz.de/10000328008
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Georgi Dimitrov i njakoi problemi na mezzdunarodnoto pravo i mezzdunarodnite otnoszenija : sbornik
Kamenov, Evgenij G. (contributor) - 1977
Persistent link: https://www.econbiz.de/10000320382
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Režimăt na văzproizvodstvo na naselenieto v Bălgarija i otraženieto mu vărchu predlaganeto na rabotna sila (2005 - 2030)
Borisova-Marinova, Kremena G.; Moralijska-Nikolova, … - 2011
Persistent link: https://www.econbiz.de/10009551525
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Demografskata situacija v Bălgarija - săstojanie i tendencii
Čolakov, Nikola - In: Ikonomičeska misăl 50 (2005) 5, pp. 53-70
Persistent link: https://www.econbiz.de/10003224807
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La propagande pendant la Deuxième Guerre Mondiale ; 1
1980
Persistent link: https://www.econbiz.de/10003210192