Written instructional materials : an experimental comparison of problem-centered and traditional assignment sheets /
| Main Author: | |
|---|---|
| Format: | Thesis Microform Book |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1961.
|
| Subjects: |
| Item Description: | Microform. |
|---|---|
| Physical Description: | xvii, 403 leaves : illustrations |
| Bibliography: | Bibliography: leaves [218]-236. |