Educational measurement.
| Author/creator | Travers, Robert Morris William |
| Format | Book |
| Publication Info | New York : Macmillan, [©1955] |
| Description | 420 pages : illustrations ; 22 cm |
| Subjects |
| LCCN | 55000743 |
| Author/creator | Travers, Robert Morris William |
| Format | Book |
| Publication Info | New York : Macmillan, [©1955] |
| Description | 420 pages : illustrations ; 22 cm |
| Subjects |
| LCCN | 55000743 |