Cooper, Donald R. Business research methods / Donald R. Cooper, Pamela S. Schindler. - 9th ed. (International ed.) - New York : McGraw-Hill/Irwin, c2006. - xxi, 744 p. : ill. ; 28 cm. + 1 CD-ROM (4 3/4 in.) - The McGraw-Hill Irwin. . Includes bibliographical references and index. ISBN: 0071244301 (pbk.) Subjects--Topical Terms: Industrial management --Research. LC Class. No.: MedKt HD30.4 / C655 2006