| 1. |
Journal of the Operational Research Society
1984 : JUN, VOL. 35:6, p. 527-536
|
1984 |
Graham, R. J.
|
|
| 2. |
International Journal of Project Management
1988 : NOV, VOL. 6:4, p. 241-244
|
1988 |
Churchill, G. F.
|
|
| 3. |
Diebold Management Report
1993 : 4, p. 16,18-21
|
1993 |
Füting, Ulrich Christian
|
|
