TY  - BOOK
AU  - Sharma J K
TI  - Mathematical models in operations research
U1  - B2893, M9 
PY  - 1989///
CY  -  New Delhi 
PB  - Tata McGraw-Hill        
KW  - Operational Research
N1  - Bibliography: P 613-615; Appendix: P 597-612
ER  -