| Titel | Early maths with multi-touch – an activity-theoretic approach |
| Publication Type | Conference Paper |
| Year of Publication | 2012 |
| Authors | Ladel, S., & Kortenkamp U. |
| Conference Name | Proceedings of POEM 2012 |
| Schlüsselwörter | invited |
| URL | http://cermat.org/poem2012/main/proceedings_files/Ladel-Kortenkamp-POEM2012.pdf |
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