Cooper, Donald R. <br/><br/>
Business research methods / 
Donald R. Cooper, Pamela S. Schindler 
 - 12th ed. 
 - New York :  McGraw-Hill,  2014 
 - xxvi, 692 p. :  ill. (some col.) ;  28 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781259070952 (pbk. : international ed.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial management--Research