Knapp, Zeratsky, and Braden Kowitz 2016
Apariencia

Jake Knapp, John Zeratsky, and Braden Kowitz (2016) Sprint: El método para resolver problemas y testar nuevas ideas en sólo 5 días [Sprint: The method for solving problems and testing new ideas in just 5 days, in Spanish], Penguin Random House Grupo Editorial, Spain, ISBN 841602975X.