Hayler, Rowland. Six sigma for financial services how leading companies are driving results using lean, six sigma, and process management / [Book] : Rowland Hayler, Michael D. Nichols. - New York : McGraw-Hill, c2007. - xiv, 248 p. : ill. ; 24 cm. All. ISBN: 9780071470377 (alk. paper) 0071470379 (alk. paper) Subjects--Topical Terms: Financial services industry--Management.Six sigma (Quality control standard).Quality control. Dewey Class. No.: 332.10684