PSI, Keller's personalized system of instruction : an appraisal
by Bruce A. Ryan
Bok Engelsk 1974
| Utgitt | Washington : American Psychological Association , c1974
|
|---|---|
| Omfang | 30 p.
|
| Opplysninger | Bibliography: p. 23-30.. - Running title: Personalized system of instruction.
|
| Emner |
