Halperin, Sandra  . <br/><br/>
Political research: methods and practical skills /  
by Sandra Halperin and Oliver Heath. 
 - New York :   Oxford University Press ,   2012 
 - xiv, 440 p. :  
<br/><br/><label>ISBN: </label>978-0-19-955841-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political research
<br/><br/><label>Dewey Class. No.: </label>W:f  / Q2