How to develop successful salesmende Kenneth Brooks HaasEdiciones (2)How to develop successful salesmen (1957)McGraw-Hill · inglésHow to develop successful salesmen. (1957)McGraw-Hill · inglésMás obras de Kenneth Brooks HaasCreative salesmanshipPPreparation and use of audio-visual aidsPreparation and use of audio-visual aidsPProfessional salesmanshipProfessional salesmanship