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- Corporate/Agency Authors:
- National Institute of Education and Health, Education and Welfare Dept.
- Publisher:
- National Institute of Education
- Date:
- 1973
- SuDoc number:
- HE 18.11/2:97
- Corporate/Agency Authors:
- National Institute of Education and Health, Education and Welfare Dept.
- Publisher:
- National Institute of Education
- Date:
- 1973
- SuDoc number:
- HE 18.11/2:99
- Corporate/Agency Authors:
- National Institute of Education and Health, Education and Welfare Dept.
- Publisher:
- National Institute of Education
- Date:
- Dec. 1972
- SuDoc number:
- HE 18.11/2:(nos.)
- Corporate/Agency Authors:
- National Institute of Education and Health, Education and Welfare Dept.
- Publisher:
- National Institute of Education
- Date:
- [1972; published 1973.]
- SuDoc number:
- HE 18.11/2:(nos.)