About: http://webisa.webdatacommons.org/122142842

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the countries collecting data from mainstream schools, students were mainly 13/14 years old.
http://www.w3.org/ns/prov#wasQuotedFrom	ul.pt