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Carevicata v bălgarskata naučna literatura
Tomov, Nikola
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1985
Persistent link: https://www.econbiz.de/10014367231
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Agronauka i agrobiznes Bălgarija '95-96 : jubileen almanach, posveten na 50-godišninata na Visšija Selskostopanski Institut - Plovdiv ; branšovi firmeni spravočnici "ANIMA"
1996
Persistent link: https://www.econbiz.de/10000955211
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Problemi na săvremennoto bălgarsko zemedelie : materiali ot Naučna Sesija v Čest na 80-godišninata ot Poždenieto na Akad. Pavel Popov, Sadovo, 18 - 19 noembri 1982 g.
Popov, Pavel
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Popov, Todor
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1985
Persistent link: https://www.econbiz.de/10000698217
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Nasoki za razvitie na zemedelskata ikonomičeska nauka
Petkov, Ljudmil S.
- In:
Ikonomičeska misăl
41
(
1996
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4
,
pp. 31-39
Persistent link: https://www.econbiz.de/10001220592
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Selsko stopanstvo
1971
Persistent link: https://www.econbiz.de/10003238477
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