The personalized system of instruction : an educational alternative
| Autor principal: | |
|---|---|
| Format: | Llibre |
| Publicat: |
Washington, D.C. :
Americam Association for Higher Education,
1974
|
| Matèries: |
| Autor principal: | |
|---|---|
| Format: | Llibre |
| Publicat: |
Washington, D.C. :
Americam Association for Higher Education,
1974
|
| Matèries: |