Sullivan,Thomas J.  <br/><br/>
Methods of social research/  
Thomas J.Sullivan.  
 - Philadelphia :  Harcourt college,   2001.  
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>155074636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Social research 
<br/><br/><label>LC Class. No.: </label>HM571 .S85 2001