A study of the effectiveness of language laboratories - a preliminary evaluation in twenty-one school systems of the Metropolitan school study council
- Författare
- Raymond F. Keating
- Språk
- Engelska
Förlag | År | Ort | Om boken | ISBN |
---|---|---|---|---|
The Institute of Administrative Research, Teachers College, Columbia University | 1963 | New York, New York | x, 61 sidor. : ill. |