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3.[Objects, Pragmatics and Technicalities]: specific level  1
H. Information sources, supports, channels 1981
Periodicals, Newspapers 3101
Gray literature 841
Archival materials 1291
Rare books and manuscripts 1101
Print materials 601
Microforms 111
Non-print materials 501
Audio-visual, Multimedia, TV 1621
Electronic media 1661
Optical storage 261
Online hosts 471
Databases and Database Networking 3551
OPACs 1571
e-journal 4631
e-books 1471
e-resources 4871
Web pages 3241
Portals 2741
Repositories 8131
Bibliography   
 

Hierarchy



Notations: sortedjita_H;




21 relations
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