Report on research in audio-visual aids to education.
Wedi'i Gadw mewn:
| OCLC: | 55227325 |
|---|---|
| Prif Awdur: | |
| Iaith: | English |
| Cyhoeddwyd: |
Chicago :
International Council of Religious Education,
1950.
|
| Cyfres: | Harlan Paul Douglass collection of religious research reports ;
HPDC 3256. |
| Pynciau: | |
| Fformat: | Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |