Bulla S, WW Cooper, D Wilson and KS Park (2000). “Evaluating Efficiencies of Turbofan Jet Engines: A Data Envelopment Analysis Approach.” J Propulsion and Power 16(3): 431-439.

Bulla S, WW Cooper, D Wilson and KS Park (2000). “Evaluating Efficiencies of Turbofan Jet Engines: A Data Envelopment Analysis Approach.” J Propulsion and Power 16(3): 431-439.

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