TY  - BOOK
AU  - Gupta P K
AU  -  Man Mohan
TI  - Problems in quantitative techniques:  Operations re   
U1  - B2893, N0 
PY  - 1990///
CY  -  New Delhi 
PB  - Sultan Chand        
KW  - Operational Research
N1  - Appendix: P 817-824
ER  -