Refine
Document Type
- Article (unreviewed) (4) (remove)
Language
- German (4)
Has Fulltext
- no (4)
Is part of the Bibliography
- yes (4)
Keywords
- E-learning (2)
- Mathematik (2)
- Lückenskript (1)
- Lückentext (1)
- PPT (1)
- Tablet (1)
- Tafel (1)
Institute
- Zentrale Einrichtungen (4) (remove)
Open Access
- Open Access (1)