Mental ability and higher educational attainment in the 20th century,
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
[New York,
National Bureau of Economic Research,
1972]
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| Item Description: | "A technical report prepared for the Carnegie Commission on Higher Education." |
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| 实物描述: | xv, 47 p. 23 cm. |
| 参考书目: | Bibliography: p. 45-47. |
| ISBN: | 0870142437 (pbk) |