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The Scientific World Journal
Volume 2014, Article ID 427673, 8 pages
http://dx.doi.org/10.1155/2014/427673
Research Article

Estimation of Congestion in Free Disposal Hull Models Using Data Envelopment Analysis

Department of Mathematics, Islamic Azad University, Science and Research Branch, Tehran 1477893855, Iran

Received 21 May 2014; Revised 14 July 2014; Accepted 20 July 2014; Published 15 October 2014

Academic Editor: Mohammad Khodabakhshi

Copyright © 2014 M. Abbasi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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