"Kellstedt, Paul M.; Whitten, Guy D." <br/><br/>
The Fundamentals of Political Science Research 

 - 2nd 
 - 316p    cm 24  
<br/><br/><label>ISBN: </label>978 1107621664 
<br/><br/><label>Dewey Class. No.: </label>320.072  /  K 294