The personalized system of instruction : an educational alternative
| 1. autor: | |
|---|---|
| Format: | Książka |
| Wydane: |
Washington, D.C. :
Americam Association for Higher Education,
1974
|
| Hasła przedmiotowe: |
| 1. autor: | |
|---|---|
| Format: | Książka |
| Wydane: |
Washington, D.C. :
Americam Association for Higher Education,
1974
|
| Hasła przedmiotowe: |