Yang, Kai. Voice of the customer capture and analysis / [Book] : Kai Yang. - New York : McGraw-Hill, c2008. - xi, 416 p. : ill. ; 24 cm. - Six sigma operational methods series . All. ISBN: 9780071465441 (alk. paper) 0071465448 (alk. paper) Subjects--Topical Terms: Quality control--Statistical methods.Production management--Statistical methods.Six sigma (Quality control standard). Dewey Class. No.: 658.4013