Learned Optimism: How to Change Your Mind and Your Life4,3Autor: Martin E. P. Seligman$78.751Agregar al carrito1 oferta disponible
The Optimistic Child: A Proven Program to Safeguard Children Against Depression and Build Lifelong Resilience3,8Autor: Martin E. P. Seligman$86.038Agregar al carrito1 oferta disponible
What You Can Change and What You Can't4,5Autor: Martin E. P. Seligman$91.586Agregar al carrito1 oferta disponible
