Zikmund, William G. Business research methods / William G. Zikmund - 5th ed. - New York : Dryden press, c1997. - xxi, 829 p. : ill. ; 25 cm. Includes index ISBN: 0030184320 Subjects--Topical Terms: Management--Research.Business--Research. LC Class. No.: HD30.4 / .Z55 1997 Dewey Class. No.: 650.0142 / Z68b