Cooper, Donald R. <br/><br/>
Business research methods/ 
Donald R. Cooper, Pamela S. Schindler. 
 - Ninth Edition 
 - Boston:  McGraw-Hill Education,  c2006. 
 - xxi, 744 pages:  illustrations;  28 cm. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>007-124430-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methods
<br/><br/><label>Dewey Class. No.: </label>DC 001.42  / C78b