Yamada Y, M Sugiyama, T Nukina and T Makino (1995). ?DEA for Japanese Management: the Evaluation of Local Governmental Investments to the Japanese Economy.” J Oper Res Soc JPN 38(4): 381-397.

Yamada Y, M Sugiyama, T Nukina and T Makino (1995). ?DEA for Japanese Management: the Evaluation of Local Governmental Investments to the Japanese Economy.” J Oper Res Soc JPN 38(4): 381-397.

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