Cooper, Donald R. Business research methods [Book] / Donald R. Cooper, Pamela S. Schindler. - 9th ed. - Boston, Mass. : McGraw-Hill, 2006. - xxi, 744 p. : ill. ; 29 cm. + 1 CD-ROM (4 /3/4 in.). Includes index. All. ISBN: 0071244301 (alk. paper) 9780071244305 LCCN: 2005050520 Subjects--Topical Terms: Industrial management--Research. Dewey Class. No.: 658.0072