The theory and practice of programmed instruction a guide for teachers.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Paris
UNESCO
1972.
|
| Cyfres: | United Nations Educational, Scientific and Cultural Organization. Monographs on education, 7
|
| Pynciau: |