Understanding basic concepts in political science 
Valenzuela, Edwin E. 
 - 2nd edition. 
 -  Unlimited Books Library Services & Publishing Inc.,  2012 
 - xvi, 347 pages: ill. 
978-9-71965415-5
Comparative government.
F 320 V161 2016
                        978-9-71965415-5
Comparative government.
F 320 V161 2016