| Emrouznejad, A., R. Banker, H. Ahn and M. Afsharian (2015), Data Envelopment Analysis and its Applications: Proceedings of the 13th International Conference of DEA, August 2015, Braunschweig, Germany, DOI: 10.13140/RG.2.1.4082.9202/2, ISBN: 978 1 85449 497 9. (doi) |