00251nam a2200097 a 450000500170000008200130001710000190003024500510004926000310010030000220013120251203090632.0  a338bBAR  aBARTHWAL, R.R.  aINDUSTRIAL ECONOMICSbAN INTRODUCTORY TEXTBOOK  aDELHIbWILEY EASTERNc1985  a416P.c22 CM. PB.