00325nam a2200109 a 450000500170000008200130001710000210003024500860005126000360013730000280017363000140020120251203091611.0  a301bRAO  aRao, C.N.Shankar  aSociologybprimary principles of sociology with an introduction to social thought  aNew DelhibS. Chand & Co.c1990  axii, 726 p.b22 cm.cPB  aSociology