Los retos técnicos del cambio social.
| Main Author: | |
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| Format: | Article |
| Language: | Spanish |
| Published: |
Méx. D.F :
UNAM, 1987.
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| Subjects: |
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | Spanish |
| Published: |
Méx. D.F :
UNAM, 1987.
|
| Subjects: |