TY  - BOOK
AU  - Ghosal, A
TI  - Elements of operational research
U1  - 001.424 21st
PY  - 1979///
CY  - New Delhi
PB  - S Chand
KW  - Operations research; Linear programming-india; Inventory control
N1  - With an appendix on computer programming by Raja Ghosal
ER  -