A guide to operational research.
Duckworth, W. E.
A guide to operational research. W. E.Duckworth. - London : Methuen, 1962. - 153 p. : illus. 22 cm.
Operations research.
658.4034 / DUG 1962
A guide to operational research. W. E.Duckworth. - London : Methuen, 1962. - 153 p. : illus. 22 cm.
Operations research.
658.4034 / DUG 1962