TY  - GEN
AU  - Gupta,Prem Kumar
AU  - Hira, D.S.
TI  - Problems in Operations Research: principles and solutions
SN  - 8121909686.
AV  - T57.6 .E45 1984
U1  - 658.322 
PY  - 1991///
CY  - New Delhi
PB  - S. Chand & Company
KW  - Operations research
N1  - Includes index; Bibliography: p. 261-266
ER  -