langue maternelle
https://metadata.ilo.org/thesaurus/-1013545215 view_moredownloads
RDF/XMLidioma materno
https://metadata.ilo.org/thesaurus/-1013545215-
http://www.w3.org/2004/02/skos/core#altLabel
- lengua materna
-
http://www.w3.org/2004/02/skos/core#broader
