Guesstimation 2.0: Solving Today's Problems on the Back of a NapkineBookGuesstimation 2.0: Solving Today's Problems on the Back of a NapkinvonLawrence WeinsteinBewertung: 4 von 5 Sternen4/5Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin für später speichern