History and Pedagogy of Mathematics. Satellite Meeting of International Congress on Mathematical Education 11, 14 - 18 July 2008.
| Title | Negative numbers as an epistemic difficult concept. Some lessons from history. |
| Publication Type | Conference Paper |
| Authors | Heeffer, A |
| Editor | Tzanakis, C |
| UGent Biblio Link | http://hdl.handle.net/1854/LU-428001 |
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