1. Banker, R.D., Charnes, A. and Cooper, W.W. (1984), "Some models for Estimating Technical and Scale Inefficiencies in data Envelopment Analysis", Management Science, 30, 1078-1092.
2. Barba-Gutiérrez, Y., Adenso-Díaz, B. and Lozano, S. (2007), "Eco-efficiency of electric and electronic appliances: a Data Envelopment Analysis (DEA) ", Environ Model Assess. doi:10.1007/s10666-007-9134-2
3. Bebbington, J. (2001), "Sustainable development: a review of the international development, business and accounting literature", Accounting Forum, 25, 128-157.