Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/1631003
Is Reference of Stratified sample-en#Sense
Ositettu otos-fi#Sense
Ryhmitetty otos-fi#Sense
Gestratificeerde steekproef-nl#Sense
Échantillon stratifié-fr#Sense
Campione stratificato-it#Sense