TY  - BOOK
AU  - Torok,Robert.M
TI  - Operational profitability:systematic approaches for continous improvement
SN  - 0-471-21473-6
AV  - HD 58.95 .T67 2002
PY  - 2002///
CY  - John willey and sons
PB  - Newyork 
ER  -