Jean Piaget
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| Main Author: | |
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| Format: | Book |
| Language: | Spanish |
| Published: |
México D.F :
Fondo de cultura económica,
1979
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| Series: | Breviarios del Fondo de cultura económica ;
v. 278 |
| Subjects: |
| Physical Description: | 262 p. : gráficos, tablas |
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| ISBN: | 9681602064 |