Sekaran, Uma. Research methods for business : a skill building approach / Uma Sekaran and Roger Bougie. - 5th ed. - Hoboken, N.J. : Wiley, 2010. - xx, 468 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 9780470744796 LCCN: 2009021660 Subjects--Topical Terms: Business -- Research -- Methodology. Dewey Class. No.: 650.072