00401nam a2200157Ia 4500008004100000082002100041100001700062245002300079260004500102300000800147650002000155650001400175653002000189653001000209653002400219170901s1976    xx            000 0 und d  a309.230954bR95I  aRudra, Ashok 0aIndian Plan Models  aBombaybAllied Pulishers Pvt. Ltd.c1976  a220  aSocial sciences  aSociology  aEconomic policy  aIndia  aMathematical models