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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 (honouree); Popov, Todor (contributor) - 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) 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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Metodičeski vǔprosi na prognozirane razvitieto na naukata i naučno-techničeskija progres v selskoto stopanstvo
Atanasova, Marija - In: Planovo stopanstvo : nositel na orden "9 Septembri 1984 … 39 (1984) 7, pp. 46-57
Persistent link: https://www.econbiz.de/10001844003