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Intelektualizacijata na obštestvenoto proizvodstvo : (ikonomičeski aspekti)
Părvanova, Radka - 1985
Persistent link: https://www.econbiz.de/10000763380
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Čovekăt v naučno-techničeskata revoljucija
Georgiev, Ivan - 1988 - 1. izd
Persistent link: https://www.econbiz.de/10000746525
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Čoveškijat faktor v naučno-techničeskata revoljucija
Markov, Marko (contributor) - 1987 - 1. izd
Persistent link: https://www.econbiz.de/10000752225
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Socialni rezultati na naučno-techničeskija progres
Kirova, Krasimira (contributor) - 1988
Persistent link: https://www.econbiz.de/10000792850
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Globalnite promeni i sădbata na Bălgarija prez 21 vek
Kacarski, Ivan (ed.); Todorova, Bogdana (ed.);  … - 2016 - Părvo izdanie
Persistent link: https://www.econbiz.de/10011595560
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Ikonomičeski problemi na nematerialnoto proizvodstvo
Vakrilov, Janko G. - 1984
Persistent link: https://www.econbiz.de/10000746544
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Formi i upravlenie na dobrovolnija dopălnitelen trud
Šopov, Dimităr A. (contributor) - 1985
Persistent link: https://www.econbiz.de/10000752195
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Integracijata meždu selskostopanskija i promišlenija trud
Najdenov, Dimităr - 1988 - Izd. 1
Persistent link: https://www.econbiz.de/10000781330
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Problemi na truda : teoretiko-priložno spisanie po truda i socialinoto delo
Sofija - 11.1969 - 30.1988; 31.1990 - 39.1998; damit Ersch. eingest.
Persistent link: https://www.econbiz.de/10000462571
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Trud, zaplata, zaetost : (praktičeski problemi)
Dudov, Todor (contributor) - 1995
Persistent link: https://www.econbiz.de/10000957078