Cooper, Donald R. Business research methods / Donald R. Cooper and Pamela S. Schindler. - 12th ed. - New York : McGraw-Hill, c2014. - xxvi, 692 pages : ilustrations ; 24 cm. - The Tata McGraw-Hill/Irwin Series in operations and decision sciences. . Includes bibliographical references and indexes. ISBN: 9781259070952 Subjects--Topical Terms: Industrial management--Research. Dewey Class. No.: 658.0072 COO