Proceedings of the Ninth International Congress on Mathematical Education > Working Groups for Action > 253-257
Source
Identifiers
book ISBN : | 978-1-4020-8093-7 |
book e-ISBN : | 978-1-4020-7910-8 |
DOI | 10.1007/1-4020-7910-9_64 |
book ISBN : | 978-1-4020-8093-7 |
book e-ISBN : | 978-1-4020-7910-8 |
DOI | 10.1007/1-4020-7910-9_64 |