Powerful presentation skills - Vol.1, 2 & 3
Main Author: | |
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Format: | Book |
Language: | English |
Published: |
Boulder:
CareerTrack Publications,
[19--].
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Subjects: |
Physical Description: | Duration : 59 min. (Vol. 2). Duration : 1 hour 8 min. (Vol.1). Duration : 1 hour 26 min. (Vol.3). |
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