TY  - BOOK
AU  - Swarup,Kanti
AU  - Gupta,P K  .
AU  - Manmohan,.
TI  - Operations research / 
SN  - 8170142164
U1  - 003 
PY  - 1990///
CY  - New Delhi : 
PB  - Sultan Chand , 
KW  - OPERATIONS RESEARCH
N1  - Includes index
ER  -