_:na7866470cec349b581e15b3401130923xb5
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://www.nubaanpermissiehalen.nl/downloadpagina/attachment/informatie-tweedaagse-gvb-cursus-nubaanpermissiehalen/>