Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2446
Is Reference of Synthetische progressieve inkomstenbelasting-nl#Sense
Synthetische progressive Einkommensteuer-de#Sense
Impôt progressif et synthétique sur les revenus-fr#Sense
Synthetic, progressive individual income tax-en#Sense
Imposta progressiva e sintetica sui redditi-it#Sense
Impuesto progresivo y sintético sobre la renta-es#Sense