1 نتائج 'secondary documents'
Secondary documents (en)
Documento secundario (es), Вторичные документы (ru), وثائق ثانوية (ar), Document secondaire (fr)
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Accessions lists, Anthologies, Bibliographic journals, Bibliographies, Catalogues, Directories, Indexes, Inventories, Literature reviews, Quotations, Research registers
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Bookform materials, Book reviews, Nonbook materials
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Information and communication
> Information sources
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http://vocabularies.unesco.org/thesaurus/concept506