1 نتائج 'primary documents'
Primary documents (en)
Documento primario (es), Первичные документы (ru), وثائق اولية (ar), Document primaire (fr)
Documents
Bookform materials, Country reports, Mission reports, Nonbook materials, Periodicals, Serials, Theses
Information and communication
> Information sources
Documento primario (es), Первичные документы (ru), وثائق اولية (ar), Document primaire (fr)
http://vocabularies.unesco.org/thesaurus/concept4219