Sekaran, Uma. Research methods for business : a skill-building approach / Uma Sekaran. - 4th ed. - New York : John Wiley & Sons c2003. - xiv, 450 p. : ill. ; 25 cm. ISBN: 0471203661 (alk. paper) Subjects--Topical Terms: Business--Research--Methodology. Dewey Class. No.: 650.072 SEK 650.072 / SEK