Bernstein, Robert A Dyer, James A <br/><br/>
Introduction to political science methods 

 - Englewood Cliffs  Prentice- Hall Inc.  1979 
 - vii., 295p. 
<br/><br/><label>ISBN: </label>134933044 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reserch methods-Political science