Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Tratamento secundário-pt#Sense
Δευτεροβάθμια (δεύτερη) επεξεργασία-el#Sense
Secundaire behandeling-nl#Sense
Sekundær rensning-da#Sense
Traitement secondaire-fr#Sense
Trattamento secondario-it#Sense
Jälkikäsittely-fi#Sense
Secondary treatment-en#Sense
Andra reningssteget-sv#Sense
Sekundärbehandlung-de#Sense
Tratamiento secundario-es#Sense