Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/1631003
Is Reference of Geschichtete Stichprobe-de#Sense
Στρωματοποιημένο δείγμα-el#Sense
Stratified sample-en#Sense
Eșantion stratificat-ro#Sense
Échantillon stratifié-fr#Sense
Stratificeret stikprøve-da#Sense
Campione stratificato-it#Sense