Educational Studies in Mathematics > 1999 > 39 > 1-3 > 5-8
Source
Identifiers
journal ISSN : | 0013-1954 |
journal e-ISSN : | 1573-0816 |
DOI | 10.1023/A:1017241105828 |
Educational Studies in Mathematics > 1999 > 39 > 1-3 > 5-8
journal ISSN : | 0013-1954 |
journal e-ISSN : | 1573-0816 |
DOI | 10.1023/A:1017241105828 |