

Richard Koch, zelf een succesvol ondernemer, is de auteur van de internationale bestseller 'Het 80/20-principe'.
Meer over Richard KochThe 80/20 Principle
Achieve More with Less: THE NEW 2022 EDITION OF THE CLASSIC BESTSELLER
Samenvatting
Learn the secret of success by achieving more with less. Find out how you can tap the hidden potential of the 80/20 principle in your life.