TY  - BOOK
AU  - Gupta , P. K.
AU  - Mohan , Man .
TI  - Problems in operations research: methods and solutions 
SN  - 8170143594
U1  - 658.4034  G896p  1999 22
PY  - 1999///
CY  - New Delhi
PB  - Sultan chand & sons
KW  - Operations research
N1  - BBA , MBA , EMBA
ER  -