1.
Foundation of Digital Badges and Micro-Credentials : Demonstrating and Recognizing Knowledge...
by IFENTHALER, Dirk, Bellin-Mu...
ISBN: 9783319154244
List Price: $149.99
2.
Foundation of Digital Badges and Micro-Credentials: Demonstrating and Recognizing Knowledge ...
by Ifenthaler, Dirk, Bellin-Mu...
ISBN: 9783319792187
List Price: $169.99