Three stages DEA for TTOs. Research Scholar Seminar 1 David Resende Publication Secondary Title: University of Texas at Austin – IC2 Institute Year of Publication: 2013 Resende, D. (2013). Three stages DEA for TTOs. Research Scholar Seminar 1. University of Texas at Austin – IC2 Institute. Identifiers Other Numbers: 40060676 Locators Alternative titles Google ScholarBibTeXRIS