00293nam a2200109 a 450000500170000008200210001710000500003824500360008825000130012426000260013730000200016320251203091657.0  a320.011,bD, aga  aAgarwal, N.N., Vidya Bhushan, Vishnoo Bhagwan  aPrinciples of political science  a13th ed.  aDelhibR. Chandc1991  aviii,632p, 22cm