Instructional technology, its nature and use /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York :
Harper & Row,
c1979.
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| Edition: | 6th ed. |
| Subjects: |
| Physical Description: | xx, 331 p. : ill. ; 24 cm. |
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| Bibliography: | Includes bibliographies and index. |
| ISBN: | 0060471697 |