Programmed learning aid for the prevention of mental disorders
| Egile nagusia: | |
|---|---|
| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Homewood, Ill.
Learning Systems
c1975
|
| Saila: | Irwin programmed learning aid series
[no.15 |
| Gaiak: |