Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Agenda 21-nl#Sense
Agenda 21-da#Sense
Clár 21-ga#Sense
Programa 21-es#Sense
Agenda 21-sv#Sense
Πρόγραμμα δράσης "21ος αιώνας"-el#Sense
Agenda 21-en#Sense
Agenda 21-pt#Sense
Agenda 21-de#Sense
Agenda 21-fi#Sense
Action 21-fr#Sense
Agenda 21-it#Sense