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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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Sravnitelen analiz na modeliza ocenka na efektivnostta na obučenietona čoveškite resursi v organizaciite
Miteva, Marija - In: Izvestija : spisanie na Ikonomičeski Universitet, Varna 63 (2019) 4, pp. 305-320
Persistent link: https://www.econbiz.de/10012420906
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Profkomitetŭt v borbata za ikonomii︠a︡ na energii︠a︡ i goriva
Kutov, Petŭr - 1980
Persistent link: https://www.econbiz.de/10001429905
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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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Energetika i intenzifikacija
Todoriev, Nikola - 1984
Persistent link: https://www.econbiz.de/10002936556