Cooper, Donald R. <br/><br/>Business Research Menthods Donald R. Cooper  -- Ninth Edition  -- New York  Cooper, Donald R.  2006 <br/>xxi,744 p.;  28 cm <br/><br/>  includes index <br/><br/><label>ISBN: </label>007125515 <br/><br/><label>ISSN: </label>ISBN <br/><br/><label>Subjects--Topical Terms: </label><br/>Business Research<br/><br/><label>Dewey Class. No.: </label>GSL 001.4 c784 2006 C.1