BAL, H. And AYHAN, G. 2015. Academical Efficiency Comparison of Countries via DEA. 13th International Conference on Data Envelopment Analysis , (Germany), 27.

BAL, H., & AYHAN, G., (2015). Academical Efficiency Comparison of Countries via DEA . 13th International Conference on Data Envelopment Analysis (pp.27). , Germany

BAL, HASAN, And GÖLCÜKCÜ AYHAN. "Academical Efficiency Comparison of Countries via DEA," 13th International Conference on Data Envelopment Analysis, Germany, 2015

BAL, HASAN And AYHAN, GÖLCÜKCÜ. "Academical Efficiency Comparison of Countries via DEA." 13th International Conference on Data Envelopment Analysis , Germany, pp.27, 2015

BAL, H. And AYHAN, G. (2015) . "Academical Efficiency Comparison of Countries via DEA." 13th International Conference on Data Envelopment Analysis , Germany, p.27.

@conferencepaper{conferencepaper, author={HASAN BAL And author={GÖLCÜKCÜ AYHAN}, title={Academical Efficiency Comparison of Countries via DEA}, congress name={13th International Conference on Data Envelopment Analysis}, city={}, country={Germany}, year={2015}, pages={27} }