Educational research methods,
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
London,
University of London P.,
1970.
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| Subjects: |
| Physical Description: | 192 p. : ill. ; 23 cm. |
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| Bibliography: | Bibliography: p. 181-186. |
| ISBN: | 0340096152 0340118237 |