TY  - BOOK
AU  - Aft, Lawrence S
TI  - Work mesurement and methods improvment
SN  - 0471370894
U1  - 658.5 
PY  - 2000///
CY  - New York
PB  - John Wiley and Sons ,Inc
KW  - Graphical productivity analysis
KW  - Standard data systems
ER  -