Multi-level information systems in education /
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| Format: | Book |
| Language: | English |
| Published: |
Santa Monica, Calif. :
Rand Corp.,
[1970]
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| Item Description: | "P-4377." "June 1970." Cover title. |
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| Physical Description: | viii, 110 pages : illustrations ; 28 cm. |
| Bibliography: | Bibliography: pages 109-110. |