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Ustojčivo razvitie i mnogoobrazie v Bălgarija
Bakărdžieva, Radostina (contributor) - 2010
Persistent link: https://www.econbiz.de/10008647490
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Ikonomiko-matematičeski metodi i modeli v tărgovijata : (izsledvane na operaciite) ; učebno răkovodstvo
Dančev, Dančo Ja. - 1990
Persistent link: https://www.econbiz.de/10000830529
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Ikonomiko-matematičeski metodi i modeli v tărgovijata : (izsledvane na operaciite)
Aleksandrov, Krum S.; Mladenov, Zdravko S. - 1989
Persistent link: https://www.econbiz.de/10000797075
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Ot opazvane na okolnata sreda kăm ustojčivo razvitie
Kovačev, Asen - In: Statistika / Nacionalen Statističeski Institut 50 (1998) 1, pp. 3-20
Persistent link: https://www.econbiz.de/10001249457
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Ravnovesieto v otvorena ikonomika
Savov Petkov, Stojadin - In: Ikonomičeska misăl 46 (2001) 6, pp. 3-21
Persistent link: https://www.econbiz.de/10001691545
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Ekologija i ikonomika
Božinov, Todor B. (contributor) - 1990 - Izd. 1
Persistent link: https://www.econbiz.de/10000876612
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Regionalni problemi na Republika Bălgarija
Terzijska, Diana; Lozanov, Emil - 2006
Persistent link: https://www.econbiz.de/10003431363
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Ekologičnite prioriteti i tjachnata rolja v regionalnata ikonomika
Čkorev, Nikolaj - In: Ikonomičeska misăl 40 (1995) 7, pp. 13-24
Persistent link: https://www.econbiz.de/10001203746
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Ekologija i upravlenie
Božinov, Todor B. - 1989 - 1. izd
Persistent link: https://www.econbiz.de/10000792693