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