Aperçu gratuit du livre Mental Toughness: Principles and Models of Self-Discipline to Develop an Unbeatable Mind, Extreme Grit and Unstoppable Resilience, Improving the Ownership of Willpower to Succeed in Life and Work
Mental Toughness: Principles and Models of Self-Discipline to Develop an Unbeatable Mind, Extreme Grit and Unstoppable Resilience, Improving the Ownership of Willpower to Succeed in Life and Work