Sea asertivo : la manera positiva de comunicarse con eficacia /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | Spanish |
| Published: |
Barcelona :
Gestión 2000,
©2003.
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| Physical Description: | 123 páginas ; 23 cm. |
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| ISBN: | 8480888679 |