Robertson Kelley Stop, ask and listen : how to welcome your customers and increase your sales / Kelley Robertson. - 1st ed. - New York : Stoddart, 2002. - x, 165 p. ; 22 cm. ISBN: 0773762515 Subjects--Topical Terms: SellingCustomer servicesVente LC Class. No.: HF5438.25 Dewey Class. No.: 658.85