Programmed learning aid for social problems coordinating Roger H. Hermanson.
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Homewood, Ill.
Learning Systems Co.
c1975.
|
| Schriftenreihe: | Irwin programmed learning aid series
|
| Schlagworte: |