| The Gold Standard of Public Speaking and Presentation Techniques What we know Works | | | Author:
| DGS Consulting LLC, | | Translator:
| Castro, Maria | | Transcribed by:
| Maria, Casillas | | ISBN: | 978-0-9797897-1-7 | | Publication Date: | Feb 2007 | | Publisher: | DGS Consulting LLC
| | Book Format: | CD-Audio | | List Price: | USD $18.25 |
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