| 标题 |
A study of concrete and formal operations in school mathematics: a Piagetian viewpoint, by K. F. Collis. Pp 205. $10 Australian. 1975. SBN 0 85563 126 0 (Australian Council for Educational Research) |
| 网址 | |
| DOI | |
| 其它 |
期刊:The Mathematical Gazette 作者:Margaret Brown 出版日期:1976-03-01 |
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(2025-6-4)