Autor: Jason Selk, 5 titluri

10-Minute Toughness: The Mental Training Program for Winning Before the Game Begins, Hardcover

Jason Selk

Organize Tomorrow Today: 8 Ways to Retrain Your Mind to Optimize Performance at Work and in Life, Paperback

Jason Selk

Executive Toughness: The Mental-Training Program to Increase Your Leadership Performance, Hardcover

Jason Selk

Executive Toughness: The Mental-Training Program to Increase Your Leadership Performance, Paperback

Jason Selk

Organize Your Team Today

Matthew Rudy,Jason Selk,Tom Bartow