Efficiency analysis by production frontiers the non parametric approach
| Prif Awdur: | |
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| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Dordrecht
Kluwer Academic
c1989.
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| Cyfres: | Theory and decision library. Series B: Systems theory, knowledge engineering and problem solving
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| Pynciau: |