Introduction to Social Reasearch. 

 - New york  Appleton Century Crafts.  1967 
<br/><br/><label>ISSN: </label>4733 
<br/><br/><label>Standard No.: </label>
<br/><br/><label>LC Class. No.: </label>01ITSR       
<br/><br/><label>GPO Item No.: </label>1004733