BAL, H. And AYHAN, G. 2013. Costumer efficiency versus firm efficiency A banking example. 11 th International conference on data envelopment analysis , (Samsun, Turkey).

BAL, H., & AYHAN, G., (2013). Costumer efficiency versus firm efficiency A banking example . 11 th International conference on data envelopment analysis, Samsun, Turkey

BAL, HASAN, And GÖLCÜKCÜ AYHAN. "Costumer efficiency versus firm efficiency A banking example," 11 th International conference on data envelopment analysis, Samsun, Turkey, 2013

BAL, HASAN And AYHAN, GÖLCÜKCÜ. "Costumer efficiency versus firm efficiency A banking example." 11 th International conference on data envelopment analysis , Samsun, Turkey, 2013

BAL, H. And AYHAN, G. (2013) . "Costumer efficiency versus firm efficiency A banking example." 11 th International conference on data envelopment analysis , Samsun, Turkey.

@conferencepaper{conferencepaper, author={HASAN BAL And author={GÖLCÜKCÜ AYHAN}, title={Costumer efficiency versus firm efficiency A banking example}, congress name={11 th International conference on data envelopment analysis}, city={Samsun}, country={Turkey}, year={2013}}