Vajda, S.
Planning by mathematics - 2nd ed. - London Pitman 1973 - vii, 142p. : ill. - Topics in Operational Research .
0273317660
005.31 / V3
Planning by mathematics - 2nd ed. - London Pitman 1973 - vii, 142p. : ill. - Topics in Operational Research .
0273317660
005.31 / V3