Programmed learning aid for rhythm, time, and humor behavior
| Prif Awduron: | , |
|---|---|
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Homewood, Illinois
Learning Systems Company
©1975.
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| Cyfres: | Irwin programmed learning aid series
no. 3 |
| Pynciau: |


