Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2431
Is Reference of Revenu d'une activité lucrative soumis à cotisation-fr#Sense
Beitragspflichtiges Erwerbseinkommen-de#Sense
Reddito di un'attività lucrativa sottoposta a contribuzione-it#Sense