Research methods for business : a skill-building approach / Uma Sekaran. Sekaran, Uma. Business Research Methodology. HD30.4 .S435 1992 650.072 SER Includes bibliographical references (p. 393-397) and index. New York : Wiley, c1992. c1992. 1992 Text xvi, 428 p. : http://www.loc.gov/catdir/toc/onix05/91038872.html http://www.loc.gov/catdir/enhancements/fy0706/91038872-d.html eng