Correspondence course
type: Concept
main entity of page: https://koninklijkebibliotheek.triply.cc/.well-known/genid/3f5fa8dc3898a3c04eafbc6b9db49a96
main entity of page: http://data.bibliotheken.nl/doc/thes/p078427304
alternative label: Distance learning
broader: p078610141
in scheme: gtt
preferred label: Afstandsonderwijs @nl