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Ikonomika i planirane na energijnoto stopanstvo v promišlenostta : metodičeski ukazanija
Rajkov, Georgi I. - 1989
Persistent link: https://www.econbiz.de/10000897332
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Gorivno-energijnite resursi - globalen problem na săvremennostta
Dunov, Ivan - 1985
Persistent link: https://www.econbiz.de/10000716692
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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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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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Samoupravlenie i firmena organizacija
Kamenov, Dimităr (contributor) - 1989
Persistent link: https://www.econbiz.de/10000806479
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Ikonomičesko regulirane i samoupravlenie
Detkov, Genrich - 1989
Persistent link: https://www.econbiz.de/10000806515