00327    a2200145   4500082001500000100001800015245002700033250001200060260003000072300002100102650001500123650001200138700001800150700001300168  a658.6bNAR  aNarang, G.B.S  aProduction and costing  a4th ed.  aDelhibKhannac1995g1998  aviii,234p.c22cm  aProduction  aCosting  aNarang, J.J.S  aKumar, V