Fifeková, E., Nežinský, E., & Nemcová, E. Emission Efficiency: DEA Approach.
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Citação norma Chicago
Fifeková, Elena, Eduard Nežinský, and Edita Nemcová. Emission Efficiency: DEA Approach.
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Citação norma MLA
Fifeková, Elena, et al. Emission Efficiency: DEA Approach.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.