Pennings, Paul. <br/><br/>
Doing research in political science :  an introduction to comparative methods and statistics / 
Paul Pennings, Hans Keman, Jan Kleinnijenhuis. 
 - London :  Sage Publications,  1999. 
 - xi, 368 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [351]-362) and index. 
<br/><br/><label>ISBN: </label>0761951024  RM349.25 
<br/><br/><label>LCCN: </label>99-070755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science--Methodology.<br/>Political science--Research.<br/>Political statistics.