Measuring behavior
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Columbus, Ohio
Merrill
c1981.
|
| Rhifyn: | 2nd ed. |
| Cyfres: | The Charles E. Merrill series on behavioral techniques in the classroom
|
| Pynciau: |