00309nam a22001217a 4500082000800000100001400008245005400022505002900076520002900105700002900134942000700163999001700170  aBAN  aBanga T R  aIndustrial oqganisation and engineering economics  aPhoto Copy  10 Ten Books  aPhoto Copy  10 Ten Books  aPhoto Copy  10 Ten Books  cBK  c53752d53749