Principles of political science 
Aruego, Jose M. 
 - 1981 Revised Edition. 
 -  University Book Supply, Inc.  1981 
 - xxi, 357 pages. 
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<br/><br/><label>ISBN: </label>9-71120008-2 
<br/><br/><label>Dewey Class. No.: </label>F 320 Ar8p 1981