Barking up the wrong tree. The surprising science behind why everything you know about success is (mostly) wrongEric BarkerAusverkauft4,1Bewachen
The millionaire fastlane : crack the code to wealth and live rich for a lifetimeM. J. DeMarcoAusverkauft4,3Bewachen
The SPIN Selling Fieldbook: Practical Tools, Methods, Exercises and ResourcesNeil RackhamAusverkauft4,1Bewachen
