Data envelopmental analysis a new approach to efficiency measurement [sound cassette]
| Awduron Eraill: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[.s.l.
s.n.]
1993.
|
| Awduron Eraill: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[.s.l.
s.n.]
1993.
|