7 navykov vysokojeffektivnyh ljudej: Moshhnye instrumenty razvitija lichnosti.Stephen R. CoveyUitverkocht3,8Volgen
The Apple Experience: The Secrets of Delivering Insanely Great Customer ServiceCarmine GalloUitverkocht4,1Volgen
Dr. Deming: The American Who Taught the Japanese about Quality the American Who Taught the Japanese about QualityRafael AguayoUitverkocht4,1Volgen
Customer Satisfaction is Worthless, Customer Loyalty is PricelessJeffrey H. GitomerUitverkocht4,1Volgen