Jeff Degraff

Auteur • 3 livres

The Art of Change : Transforming Paradoxes into Breakthroughs

Jeff Degraff, Staney DeGraff

audiobook

The Creative Mindset : Mastering the Six Skills That Empower Innovation

Jeff Degraff, Staney DeGraff

audiobook

The Innovation Code : The Creative Power of Constructive Conflict

Jeff Degraff, Staney DeGraff

audiobook

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