| Titel | ISBN-13 (ISBN-10) | Erschei- nungsjahr | andere Autoren |
|---|---|---|---|
| Foundation of Digital Badges and Micro-Credentials: Demonstrating and Recognizing Knowledge and Competencies | 978-3-319-15424-4 (3-319-15424-9) | 2016 | Dirk Ifenthaler · Dana-Kristin Mah |
B. M. · N M · Nicole Bellin