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Bert Decker

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Stand Alone

The Art of Communicating: Achieving Interpersonal Impact in Business (Fifty-Minute Series.)
You've Got to Be Believed to Be Heard, Updated Edition: The Complete Book of Speaking...In Business and in Life!
Vaincre l'absentéisme guide pratique des solutions efficaces
L'art de la communication : les techniques des meilleurs
L'art de la communication les techniques des meilleurs
If I Could Put on Paper Things That Touch My Heart
How to Communicate Effectively
Creating Messages That Motivate How to Use and Master the Decker Grid System(R)
Communicating with Bold Assurance Leader's Guide
Communication Skills for Leaders Delivering a Clear and Consistent Message