Gill <br/><br/>
Essential Mathematics for Political and Social Research 

 -  Cambridge University Press  Cambridge University Press  2006 
<br/><br/><label>ISBN: </label>9780511606656 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Politics and International Relations