Sarah M. Estelle, Andy L. Johnson, John Ruggiero. Three-stage DEA models for incorporating exogenous inputs. Computers & OR, 37(6):1087-1090, 2010. [doi]
@article{EstelleJR10, title = {Three-stage DEA models for incorporating exogenous inputs}, author = {Sarah M. Estelle and Andy L. Johnson and John Ruggiero}, year = {2010}, doi = {10.1016/j.cor.2009.09.015}, url = {http://dx.doi.org/10.1016/j.cor.2009.09.015}, researchr = {https://researchr.org/publication/EstelleJR10}, cites = {0}, citedby = {0}, journal = {Computers & OR}, volume = {37}, number = {6}, pages = {1087-1090}, }