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| 2004 | ||
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| 2 | EE | Mikko J. Syrjänen: Non-discretionary and discretionary factors and scale in data envelopment analysis. European Journal of Operational Research 158(1): 20-33 (2004) |
| 2003 | ||
| 1 | EE | Pekka J. Korhonen, Mikko J. Syrjänen: Evaluation of Cost Efficiency in Finnish Electricity Distribution. Annals OR 121(1-4): 105-122 (2003) |
| 1 | Pekka J. Korhonen | [1] |