The improvement of reading
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Cyhoeddwyd: |
New York
McGraw-Hill
[1967]
|
| Rhifyn: | 4th ed. |
| Cyfres: | McGraw-Hill series in education. Curriculum and methods in education
|
| Pynciau: |