The theory and practice of programmed instruction a guide for teachers.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Paris
UNESCO
1972.
|
| Saila: | United Nations Educational, Scientific and Cultural Organization. Monographs on education, 7
|
| Gaiak: |