Psychology and the new education / by S. L. Pressey.
- Pressey, Sidney L. (Sidney Leavitt), 1888-1979.
- Date:
- 1933
Licence: In copyright
Credit: Psychology and the new education / by S. L. Pressey. Source: Wellcome Collection.
55/638 (page 17)
Licence: In copyright
Credit: Psychology and the new education / by S. L. Pressey. Source: Wellcome Collection.