TY  - BOOK
AU  - Singh, I P
TI  - Operations research
U1  - 658.4034 S64O 
PY  - 2014///
CY  - Kurukshetra
PB  - Nirmal Publishing House
N1  - 2394 26/09/2016 UBC16/7480 17/10/2016 Main Budget
ER  -