est (Erhard seminars training) : 60 hours that transform your life /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York :
Harper & Row,
[1976]
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| Subjects: |
| Physical Description: | x, 181 pages ; 21 cm. |
|---|---|
| ISBN: | 0060105623 : |