10th International Conference on Data Envelopment Analysis, Natal, Brazil, August 27 to 30, 2012, see detials at: http://www.deasociety.org/dea2012/
10th International Conference on Data Envelopment Analysis, Natal, Brazil, August 27 to 30, 2012, see detials at: http://www.deasociety.org/dea2012/