Frankfort-Nachmias, Chava. <br/><br/>
Research methods in the social sciences. 

 - 6th ed. 
 - New York :  Worth Publishers,  2000. 
 - xxi, 550 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1572599294 
<br/><br/><label>Dewey Class. No.: </label>001.42 FRA