Programmed learning aid for social problems coordinating Roger H. Hermanson.
| 1. autor: | |
|---|---|
| Format: | Książka |
| Język: | English |
| Wydane: |
Homewood, Ill.
Learning Systems Co.
c1975.
|
| Seria: | Irwin programmed learning aid series
|
| Hasła przedmiotowe: |