TY  - BOOK
AU  - Sarkar,Debashis  .
TI  - Lessons in six sigma 72 must konw truths for managers / 
SN  - 0-7619-9843-8
U1  - 658.312404 
PY  - 2003///
CY  - New Delhi : 
PB  - Response Books , 
KW  - six sigma
ER  -