How to locate educational information and data ; an aid to quick utilization of the literature of education
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
Bureau of Publications,Teachers College,Columbia University
1950.
|
| Rhifyn: | 3d ed., rev. and enl. |
| Pynciau: |