Motivation and learning; applying contingency management techniques.
| Údar corparáideach: | |
|---|---|
| Rannpháirtithe: | |
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Englewood Cliffs, N. J.
Educational Technology Pub.
[c1971].
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| Ábhair: |