Sekaran, Uma. Research methods for business : a skill-building approach / Uma Sekaran and Roger Bougie. - 5th ed. - Chichester : John Wiley, c2009 [reprinted 2011] - xx, 468 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 9780470744796 (pbk.) 0470744790 (pbk.) Subjects--Topical Terms: Business--Research--Methodology. Dewey Class. No.: 650.072 / SEK 2011