| 1997 | ||
|---|---|---|
| 1 | Petra Reinhard, Friedrich W. Hesse, Aemilian Hron, Emmanuel Picard: Manipulable graphics for computer-supported problem solving. J. Comp. Assisted Learning 13(3): 148-162 (1997) | |
| 1 | Friedrich W. Hesse | [1] |
| 2 | Aemilian Hron | [1] |
| 3 | Emmanuel Picard | [1] |