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11. Mathematics
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Setting Scale Efficient Targetsin Production Systems with Multi-Stage Structure

F. Koushki and F. Hosseinzadeh Lotfi

1394-1408

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A New Proposed Method of Restricted Malmquist Productivity Index by Correlation
Coefficients for Ranking Decision Making Unites

G.R. Jahanshahloo, M. Rostamy-Malkhalifeh, L. Ebrahimi

1409-1414
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