Comment on "Corporate Planning and Operational Research"
1979 ◽
Vol 30
(2)
◽
pp. 177-177
1978 ◽
Vol 29
(1)
◽
pp. 9-17
◽
1977 ◽
Vol 287
(1346)
◽
pp. 467-486
◽
1979 ◽
Vol 30
(10)
◽
pp. 849-859
1998 ◽
Vol 49
(11)
◽
pp. 1219-1220
1998 ◽
Vol 49
(4)
◽
pp. 307-326