Kuosmanen T and M Kortelainen (2005). “Measuring Eco-Efficiency of Production with Data Envelopment Analysis.” J Industrial Ecology 9(4): 59-72.
Kuosmanen T and M Kortelainen (2005). “Measuring Eco-Efficiency of Production with Data Envelopment Analysis.” J Industrial Ecology 9(4): 59-72.