Cooper, Donald R. Business research methods / Donald R. Cooper, Pamela S. Schindler. - 11th ed. - New York McGraw-Hill/Irwin c2011. - xxii, 761p. ill. (mostly col.), map 29cm Includes bibliographical references (p. 688-713) and indexes ISBN: 9780073373706 Subjects--Topical Terms: Industrial management--Research. Dewey Class. No.: 658.0072 COO 2011