Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3611002
Is Reference of Portuguese Language Orthographic Agreement-en#Sense
AO-pt#Sense
Acordo Ortográfico da Língua Portuguesa-pt#Sense
Accord orthographique de la langue portugaise-fr#Sense
AO90-pt#Sense
Acordo Ortográfico-pt#Sense