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Režimăt na ikonomii i izpolzuvaneto na materialnite resursi
Stojanov, Dimităr - 1985
Persistent link: https://www.econbiz.de/10000782012
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Materialnite resursi i otraslovite strukturni izmenenija v ikonomikata na Bălgarija
Matev, Matju Vălčev - In: Ikonomičeska misăl 40 (1995) 2, pp. 3-13
Persistent link: https://www.econbiz.de/10001203771
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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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Sbornik materiali ot Dvustrannata Bălgaro-Rumănska Konferencija "Naučni Problemi na Reka Dunav" : 4 - 7 noemvri 1983, Varna ; 7 - 10 noemvri 1983, Tulča
Zachariev, Ivan (contributor) - Bilateral Bulgarian Romanian Conference Scientific … - 1985
Persistent link: https://www.econbiz.de/10014385403
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Surovinno-energijnite resursi i ikonomičeskata integracija
Pavlov, Petko - 1978
Persistent link: https://www.econbiz.de/10002618956
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Intenzifikacija i materialoemkost na obštestvenoto proizvodstvo
Pechlivanov, Vasil - 1983
Persistent link: https://www.econbiz.de/10002625448
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Klimat i mikroklimat na Sofija
Blŭskova, Donka (contributor) - 1983
Persistent link: https://www.econbiz.de/10000344509
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Ekologija i obštestvo
Kŭrov, Asen - 1980 - 1. izd
Persistent link: https://www.econbiz.de/10002313170
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Vǔzdejstvie na ekologičeskata kriza vǔrchu kapitalističeskata ikonomika
Cekin, Georgi - In: Ikonomičeska misăl 30 (1985) 2, pp. 88-96
Persistent link: https://www.econbiz.de/10001988073