Xu J, Zervopoulos P, Qian Z, Cheng Gang. A universal solution for units-invariance in data envelopment analysis.
author: source: Date:2013-07-12
Xu J, Zervopoulos P, Qian Z, Cheng Gang. A universal solution for units-invariance in data envelopment analysis. Theoretical and Practical Research in Economic Fields, 2012, 3(2): 121-8.