Cooper, Donald R. Business research methods / Donald R. Cooper, Pamela S. Schindler. - 8th ed. - New Delhi : Tata McGraw-Hill, c2003. - xix, 857 p. : ill. ; 25 cm. ISBN: 0070532478 Subjects--Topical Terms: Business.Business research.Research design. Dewey Class. No.: 658.0072