TY  - BOOK
AU  - Dirk Ifenthaler, Nicole Bellin-Mularski, Dana-Kristin Mah
TI  - Foundation of Digital Badges and Micro-Credentials
SN  - 9783319154251
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-319-15425-1
ER  -