Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Systems study-en#Sense
Estudio de los sistemas-es#Sense
Systemanalyse-da#Sense
Estudo dos sistemas-pt#Sense
Étude des systèmes-fr#Sense
Systemrevision-da#Sense
Μελέτη των συστημάτων-el#Sense
Esame dei sistemi-it#Sense
Systeemonderzoek-nl#Sense
Systemstudie-de#Sense