2023-06-30T12:20:07+00:00
xsd:dateTime
2009-11-30T15:53:04+00:00
xsd:dateTime
approved
2009-11-30T15:53:04+00:00
xsd:dateTime
220388
xsd:long
educational innovations @en
onderwijsvernieuwingen @nl
onderwijsvernieuwingen @nl
educational innovations @en