Preparation and use of visual aids /
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York :
Prentice-Hall, inc.,
1946.
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| Subjects: |
| Physical Description: | xii, 2 unnumbered pages, 224 pages : including frontispiece, illustrations (incl.map) forms, diagrams ; 24 cm. |
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| Bibliography: | "Sources of visual aids": pages 189-218. |