TY  - BOOK
AU  - Wilkes, F. M
TI  - Elements of operational research
SN  - 0-07-099186
U1  - 519.70011 
PY  - 1987///
CY  - London
PB  - McGraw-Hill
KW  - Forcasting method
KW  - Linear programming
KW  - Operational research- Method
KW  - Stock control
N1  - Including bibligraphical references and index
ER  -