Opportunities for learning : guidelines for television a report of a seminar held at NEA headquarters, May 16-18, 1959
| Údar corparáideach: | |
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| Rannpháirtithe: | , |
| Formáid: | LEABHAR |
| Foilsithe / Cruthaithe: |
Washington, D.C.
Division of Audio-Visual Instructional Service, National Education Association of the United States
c1960.
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| Ábhair: |