00297nam a2200121Ia 4500008004100000041000800041082001700049100001900066245003600085260003300121300001400154365000700168240624s9999    xx            000 0 und d  aeng  a658.4013 CHA  aCHALAPATHI R S  aDEVELOPING 6 SIGMA COMPETENCIES  c2002aNew DelhibExcel Books  axv, : 158  cRS