William Proctor

William Proctor is the author of The Breakout Principle: How to Activate the Natural Trigger That Maximizes Creativity, Athletic Performance, Productivity and Personal Well-Being.

The Breakout Principle: How to Activate the Natural Trigger That Maximizes Creativity, Athletic Performance, Productivity and Personal Well-Being
Herbert Benson, William Proctor

Health & Self Improvement > Self Improvement

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