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Aktuelle Probleme der wissenschaftlichen Information
Stefanov, Nikola (ed.) - 1974
Persistent link: https://www.econbiz.de/10014414559
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Kibernetika i ikonomika
Nikolov, Ivan - 1968
Persistent link: https://www.econbiz.de/10000568629
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Problemna naučnoizsledovatelska laboratorija "Razvitie na proizvodstveni i selištni sistemi"
Dimitrov, Dimităr (contributor) - 1985
Persistent link: https://www.econbiz.de/10000701279
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Fachwörterbuch der wissenschaftlichen Information
Čavdarov, S. (contributor) - 1966
Persistent link: https://www.econbiz.de/10000532779
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Problemi na specialnite biblioteki : usăvăršenstvuvane na bibliotečno-bibliografskata dejnost ; tematičen sbornik 1986
Savova, Elena Vălčova (contributor) - 1987
Persistent link: https://www.econbiz.de/10000737929
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Bălgaro-săvetski otnošenija i vrăzki : dokumenti i materiali
Christov, Christo; Zlatev, Zlatko Denev; Zlydnev, Vitalij I. - 1988
Persistent link: https://www.econbiz.de/10000748200
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Vzaimna otgovornost i sătrudničestvo
Dojkin, Zavarin - 1983
Persistent link: https://www.econbiz.de/10000752216
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Usăvăršenstvuvane upravlenieto na sferata na obrăštenieto
Sălova, Nikolinka (contributor); Rabinovič, I. (contributor) - 1985
Persistent link: https://www.econbiz.de/10000752376
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Preustrojstvoto na ikonomičeskija mechanizăm v SSSR
Kirov, Christo - 1988
Persistent link: https://www.econbiz.de/10000754747
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Usăvăršenstvuvane na ikonomičeskija mechanizăm v SSSR, GDR, ČSSR, PNR i UNR
Kirov, Christo - 1987
Persistent link: https://www.econbiz.de/10000763151