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Retraction

Statement of retraction

This article refers to:
Concurrent estimation of efficiency, effectiveness and returns to scale

The following article has been retracted from publication in the Taylor & Francis journal

International Journal of Systems Science: Operations & Logistics:

Mohsen Khodakarami, Amir Shabani and Reza Farzipoor Saen, Concurrent estimation of efficiency, effectiveness and returns to scale, International Journal of Systems Science: Operations & Logistics, http://dx.doi.org/10.1080/00207721.2014.907943. Version of record published online 16 April 2014.

This article has been retracted before print publication at the request of the author.

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