TY  - BOOK
AU  - KALAVATHY (S)
TI  - Operations research: with c programs
SN  - 9788125931393
U1  - 658.4034 KALS 
PY  - 2010///
CY  - New Delhi
PB  - Vikaksh Publications
KW  - Economics
KW  - Natural Resources & Energy
ER  -