Joseph Grenny

Verteller - 2 boeken

Crucial Conversations : Tools for Talking When Stakes are High, Third Edition

Joseph Grenny, Kerry Patterson, Ron McMillan, Al Switzler, Emily Gregory

audiobook

Crucial Influence, Third Edition : Leadership Skills to Create Lasting Behavior Change

Joseph Grenny, Kerry Patterson, David Maxfield, Ron McMillan, Al Switzler

audiobook

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