Ron Kaufman’s Uplifting LIVE Presentation on Quality Service Part 1 Ron Kaufman 9:03 17 years ago 174 864 Далее Скачать
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Quality Service Part 7: Managing Customer Expectations Ron Kaufman 9:58 17 years ago 38 367 Далее Скачать
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Ron Kaufman Shares the Secrets of Superior Service (Part 1) Ron Kaufman 9:23 17 years ago 39 538 Далее Скачать
