Learned Optimism: How to Change Your Mind and Your Life4,3Autor: Martin E. P. Seligman36.428$Agregar al carrito1 oferta disponible
The Optimistic Child: A Proven Program to Safeguard Children Against Depression and Build Lifelong Resilience3,8Autor: Martin E. P. Seligman39.962$Agregar al carrito1 oferta disponible
What You Can Change and What You Can't4,5Autor: Martin E. P. Seligman42.652$Agregar al carrito1 oferta disponible
