Gümüş, Y. And Çelikkol, H. 2011. Data envolepment analysis: An augmented method for the analysisof firm performance. INTERNATIONAL RESEARCH JOURNAL OF FINANCE AND ECONOMICS , no.79 , 137-142.

Gümüş, Y., & Çelikkol, H., (2011). Data envolepment analysis: An augmented method for the analysisof firm performance. INTERNATIONAL RESEARCH JOURNAL OF FINANCE AND ECONOMICS , no.79, 137-142.

Gümüş, YUSUF, And Hakan Çelikkol. "Data envolepment analysis: An augmented method for the analysisof firm performance," INTERNATIONAL RESEARCH JOURNAL OF FINANCE AND ECONOMICS , no.79, 137-142, 2011

Gümüş, YUSUF And Çelikkol, Hakan. "Data envolepment analysis: An augmented method for the analysisof firm performance." INTERNATIONAL RESEARCH JOURNAL OF FINANCE AND ECONOMICS , no.79, pp.137-142, 2011

Gümüş, Y. And Çelikkol, H. (2011) . "Data envolepment analysis: An augmented method for the analysisof firm performance." INTERNATIONAL RESEARCH JOURNAL OF FINANCE AND ECONOMICS , no.79, pp.137-142.

@article{article, author={YUSUF GÜMÜŞ And author={Hakan Çelikkol}, title={Data envolepment analysis: An augmented method for the analysisof firm performance}, journal={INTERNATIONAL RESEARCH JOURNAL OF FINANCE AND ECONOMICS}, year=2011, pages={137-142} }