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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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Sostojanie prirodnoj sredy Belarusi : ėkologičeskij bjulleten' ... goda
Minsk; anfangs: Minsk : Korolov - Nachgewiesen 1992(1994) -
Persistent link: https://www.econbiz.de/10000666532
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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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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
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Sostojanie prirodnoj sredy Belarusi : ėkologičeskij bjulleten' ... goda
Nacyjanalʹnaja Akadėmija Navuk Belarusi <Minsk> - Minsk : [Verlag nicht ermittelbar] - 2003(2004)-
Persistent link: https://www.econbiz.de/10011725262
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Problemi na otnošenijata na Bălgarija s Evropejskata Obštnost : sbornik
Petkova, Ivanka D. (contributor) - 1993
Persistent link: https://www.econbiz.de/10000894885
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Svetovnoto stopanstvo i dejstvieto na ikonomičeskite zakoni
Sergienko, Rajna - 1985
Persistent link: https://www.econbiz.de/10000691484