Zikmund, William G. Business research methods / William G. Zikmund. - 7th ed. - New Delhi : Cengage learning, c2003 [Reprinted 2011]. - xix, 748 pages : ilustrations ; 24 cm. Includes bibliographical references and indexes. ISBN: 8131500292 9788131500293 Subjects--Topical Terms: Industrial management--Research. Dewey Class. No.: 658.0072 ZIK