La imprescindible escuela de la dificultad
This article is in Spanish.
Artículo escrito por Toni Nadal y publicado en El País el 2 de febrero. Obligada lectura.
The book
The World in 90 Days
The quarterly-cycle system that turns intention into evidence, when motivation isn't enough. I've applied it for more than 15 years. First with myself, then with my teams.
Get it on Amazon Spanish edition: El Mundo en 90 Días