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| 2008 | ||
|---|---|---|
| 1 | EE | Erica Melis, Arndt Faulhaber, Anja Eichelmann, Susanne Narciss: Interoperable Competencies Characterizing Learning Objects in Mathematics. Intelligent Tutoring Systems 2008: 416-425 |
| 1 | Arndt Faulhaber | [1] |
| 2 | Erica Melis | [1] |
| 3 | Susanne Narciss | [1] |