Cooper, Donald. <br/><br/>
Business research methods / 

 - 9th ed. 
 - Boston  McGraw-Hill,  2006 
 - 780 p. ; 
<br/><br/><label>ISBN: </label>9780071244305 | 9780070620193 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research method
<br/><br/><label>Dewey Class. No.: </label>300.7265