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Energia, materiile prime şi dezvoltarea economica : documentar
Bari, Ioan - 1984
Persistent link: https://www.econbiz.de/10000811019
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Progresul tehnic şi reducerea cheltuielilor materiale
Horovitz, Marcu (contributor) - 1987
Persistent link: https://www.econbiz.de/10000816856
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Valorificarea superioară a resurselor naturale
Puiu, Alexandru - 1969
Persistent link: https://www.econbiz.de/10000331808
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Resursele mondiale şi limitele lor
Florescu, Mihail - 1975
Persistent link: https://www.econbiz.de/10002204545
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Resursele energetice şi de materii prime
Ceauşescu, Nicolae - 1980
Persistent link: https://www.econbiz.de/10001991908
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R.P. Bulgaria
Institutul Național de Informare și Documentare … - 1977
Persistent link: https://www.econbiz.de/10000629568
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Lecturi geografice
Mihăilescu, Vintilă - 19XX
Persistent link: https://www.econbiz.de/10000327353
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1791 - 1812
Mehmet, Mustafa A. (contributor) - 1986
Persistent link: https://www.econbiz.de/10000710207
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Balcanii : zonă a păcii cooperării şi bunei vecinătăţi
Macovescu, George (contributor) - 1976
Persistent link: https://www.econbiz.de/10003075892
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Izgraždaneto na materialno-techničeskata baza na socializma i prechoda kŭm komunizma v NRB
Trendafilov, Tončo - 1964
Persistent link: https://www.econbiz.de/10002271264