Wu D, L Liang, Z Huang and SX Li (2005). “Aggregated Ration Analysis in DEA.” Int J Info Tech Decis 4(3): 369-384.

Wu D, L Liang, Z Huang and SX Li (2005). “Aggregated Ration Analysis in DEA.” Int J Info Tech Decis 4(3): 369-384.

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