TY  - BOOK
AU  - GUPTA P. K.
TI  - PROBLEMS IN OPERATIONS RESEARCH : PRINCIPLES AND SOLUTIONS
U1  - 658.4034 
PY  - 1991///, R.P.2013
PB  - S. CHAND & COM. PVT. LTD.
KW  - MECHANICAL
N1  - SE/SI/2078
ER  -