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Models for public systems analysis
Beltrami, Edward J., (1977)
Economics and operational research
Beilby, Michael H., (1975)
Optimization and industrial experimentation
Biles, William E., (1980)
Implementation of problems in O. R.
Stillson, Paul, (1974)
Product search and evaluation
Stillson, Paul, (1957)
The optimum solution in operations research
Ornea, J. C., (1960)