Sekaran, Uma. Research methods for business : a skill-building approach / Uma Sekaran. - 2nd ed. - New York : Wiley, c1992. - xvi, 428 p. : ill. ; 24 cm Includes index. ISBN: 0471618896 Subjects--Topical Terms: Business--Research--Methodology. Dewey Class. No.: 650.072 / S463