Distance Education as Two-way Communication: Essays in Honour of Börje Holmberg: Essays in Honour of Borje Holmberg

Communication

von: Gerhard Ortner · Kurt Graff · Harald Wilmersdoerfer

Taschenbuch

ISBN: 978-3-631-45359-9

ISBN-10: 3-631-45359-0

Peter Lang GmbH, Internationaler Verlag der Wissenschaften · 1992