Martin E.P. Seligman

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The Optimistic Child: A Proven Program to Safeguard Children Against Depression and Build Lifelong Resilience - Martin E. P. Seligman, Karen Reivich, Lisa Jaycox, Jane Gillham
The Optimistic Child: A Proven Program to Safeguard Children Against Depression and Build Lifelong Resilience
HBR's 10 Must Reads on Mental Toughness - Tony Schwartz, Martin E. P. Seligman, Harvard Business Review, Warren G. Bennis, Robert J. Thomas
HBR's 10 Must Reads on Mental Toughness