Duckworth, W. E.
A guide to operational research / W. E. Duckworth. - 2nd ed. - London : Methuen, 1967. - 153 p. : ill. ; 21 cm.
331 331
Operational research.
658 / D423g
A guide to operational research / W. E. Duckworth. - 2nd ed. - London : Methuen, 1967. - 153 p. : ill. ; 21 cm.
331 331
Operational research.
658 / D423g