The operational seminar a pioneering method of training for development.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Paris
Unesco
c1976.
|
| Saila: | Educational studies and documents :New series
no. 20 |
| Gaiak: |