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