Programmed learning aid for intelligence and heredity
| 主要作者: | |
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| 其他作者: | , |
| 格式: | 图书 |
| 语言: | English |
| 出版: |
Homewood, Illinois
Learning Systems Company
©1975.
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| 丛编: | Irwin programmed learning aid series
no. 4 |
| 主题: |