Self-direction in programed geography instruction / [by] Vincent N. Campbell [and] Lyle W. Bivens. Technical report, grant no. : title vii 7-48-000-183, Office of Education, U. S. Dept. of Health, Education, and Welfare. Leslie J. Briggs, principal investigator.
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| Language: | English |
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Palo Alto, Calif. :
American Institute for Research,
1963.
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| Physical Description: | 21 leaves : illustrations, forms, tables ; 29 cm |
| Format: | Book |