The personalized system of instruction : an educational alternative
| Үндсэн зохиолч: | |
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| Формат: | Ном |
| Хэвлэсэн: |
Washington, D.C. :
Americam Association for Higher Education,
1974
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| Нөхцлүүд: |
| Биет тодорхойлолт: | 44 páginas |
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