00365nam a2200157Ia 4500003000500000008004100005020000900046040000900055041001200064082002100076100001300097100001600110245003300126260003400159650001400193NDCL180829s9999||||ii |||||||||||||| ||eng||  a2029  aNDCL  aEnglish  a310 NAL216th ed  aDas,R.K.  aNagar, A.L. 0aBasic statisticscA.L. Nagar  c1994bOxford University Press  aEconomics