Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of National Oil Agency-en#Sense
National Petroleum Agency-en#Sense
Agenzia nazionale del petrolio-it#Sense
Agência Nacional de Petróleo-pt#Sense
ANP-pt#Sense
Agência Nacional do Petróleo, Gás Natural e Biocombustíveis-pt#Sense