Programmed learning aid for social problems coordinating Roger H. Hermanson.
| Hovedforfatter: | |
|---|---|
| Format: | Bog |
| Sprog: | English |
| Udgivet: |
Homewood, Ill.
Learning Systems Co.
c1975.
|
| Serier: | Irwin programmed learning aid series
|
| Fag: |