TY  - BOOK
AU  - Kalavathy, S
TI  - Operations research
U1  - 658.4034 K124O(4) 
PY  - 2018///
CY  - Noida
PB  - Vikas Publishing House
N1  - 3389 02/01/2019 HBD19/7720 12/02/2019 Main Budget
ER  -