Características biológicas de los escolares proletarios
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| OCLC: | 610205226 |
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| Corporate Author: | |
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| Language: | Spanish |
| Published: |
México,
1937.
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| Subjects: | |
| Online Resource: | Center for Research Libraries |
| Related Items: | Print version:
Características biológicas de los escolares proletarios. |
| Format: | Monograph Online Resource |