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Terminologičen rečnik po naučna informacija
Čavdarov, S. (contributor) - 1966
Persistent link: https://www.econbiz.de/10000532779
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Terminologičen rečnik po informatika
Arsenov, S. T. (contributor) - 1975
Persistent link: https://www.econbiz.de/10000532834
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I︠U︡bileĭna sesii︠a︡, 10 godini T︠S︡entralen institut za nauchno-tekhnicheska i ikonomicheska informat︠s︡ii︠a︡ v uslovii︠a︡ta na 25 godini narodna vlast : sbornik ot dokladi...
Arsenov, S. T. (contributor); Chavdarov, St (contributor);  … - T︠S︡entralen institut za nauchno-tekhnicheska i … - 1969
Persistent link: https://www.econbiz.de/10002871542
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Život s knigi : 1942-1972
Borov, Todor - 1973
Persistent link: https://www.econbiz.de/10002328371
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Institut bulgare de bibliographie "Éline Péline" : 10 années d'activité 1945 - 1955
Trenkov, Christo - 1955
Persistent link: https://www.econbiz.de/10013346237
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Săvremenni problemi na naučnata informacija
Stefanov, Nikola (ed.) - 1974
Persistent link: https://www.econbiz.de/10014414559