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