TY  - BOOK
AU  - Kanti Swarup and Others
AU  - Gupta, P. K. ; jt. auth.
AU  - Man Mohan ; jt. auth.
TI  - Operations research
U1  - 658.4034 
PY  - 1977///
CY  - New Delhi
PB  - Sultan Chand
ER  -