1 résultat(s) pour 'civil aviation'
Civil aviation
طيران مدني (ar), Aviación civil (es), Aviation civile (fr), Гражданская авиация (ru)
Air transport
Airports
Politics, law and economics
> Services
طيران مدني (ar), Aviación civil (es), Aviation civile (fr), Гражданская авиация (ru)
http://vocabularies.unesco.org/thesaurus/concept1960