00530nam a2200169Ia 4500082002400000100004800024245009200072260002500164300001000189500000500199690000600204700000500210952010400215964001700319921000900336999001500345  a339.354063bC397.PC  aCentral Statistical Organisation, New Delhi  aPreliminary conference on research in national income, New Delhi, 28-30 January 1957.b  aNew DelhibCSOc1957  av. p.  a  a   a  00104070aISIbISId1998-09-02l0o339.354063 C397.PCpDP777r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a7891  c7891d7891