TY  - BOOK
AU  - Swarup,Kanti, Gupta, P.K.
AU  - x
TI  - Operations research: x
SN  - x
U1  - 658.4034/S973o 
PY  - 1986///
CY  - New Delhi
PB  - Sultan Chand
KW  - Operations research
N1  - Includes
ER  -