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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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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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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