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Lajpcig i bălgaritě : s 27 snimki i portreti
Jordanov, Veliko - 1938
Persistent link: https://www.econbiz.de/10002282205
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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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Văzmožnosti za prilagane na ikonomičeski instrumenti v ekologičnata politika
Dančev, Aleksi (contributor) - In: Ikonomičeska misăl 42 (1997) 4, pp. 20-36
Persistent link: https://www.econbiz.de/10001229780
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Ekologičnite organičenija vărchu ikonomičeskija rastež v Bălgarija
Dančev, Aleksi - In: Ikonomičeska misăl 36 (1991) 8, pp. 30-43
Persistent link: https://www.econbiz.de/10001165180
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Ekologija i zaetost
Dimitrova, Elka - In: Problemi na truda : teoretiko-priložno spisanie po … 38 (1997) 5, pp. 23-31
Persistent link: https://www.econbiz.de/10001227056
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Priložna ekologija i ikonomika na okolnata sreda
Apostolov Iliev, Nikola (contributor);  … - 1993
Persistent link: https://www.econbiz.de/10000885414
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Ustojčivo razvitie : nova Bălgarija părva i novija svjat
Penčev, Penčo D. (agent) - 1993
Persistent link: https://www.econbiz.de/10000913551
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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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Privatizacija i ekologično ustojčivo ikonomičesko ravnovesie
Vaklinova, Margarita - In: Ikonomičeska misăl 39 (1994) 1, pp. 43-52
Persistent link: https://www.econbiz.de/10001165005
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Različija i ustijčivost v razvitieto na obštinite v Bălgarija za perioda 1996 - 1998 g.
Jankova, Nina - In: Ikonomičeski izsledvanija 11 (2002) 2, pp. 3-19
Persistent link: https://www.econbiz.de/10001776163