sept
22
2017
Security is mostly a superstition. Life is either a daring adventure or nothing. Helen Keller
You can elevate individual performances by elevating that of the entire system.
William Edwards Deming
SprintHow To Solve Big Problems and Test New Ideas in Just Five DaysJake Knapp, John Zebratsky & Braden Kowitz
Bij Bol.com | Managementboek