Guesstimation 2.0: Solving Today's Problems on the Back of a NapkinE-bookGuesstimation 2.0: Solving Today's Problems on the Back of a NapkindiLawrence WeinsteinValutazione: 4 su 5 stelle4/5Salva Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin per dopo