Hong Y and W Quanling (2000). “A Method of Transferring Cones of Intersection Form to Cones of Sum Form and its Applications in Data Envelopment Analysis Models.” Int J Syst Sci 31(5): 629-638.

Hong Y and W Quanling (2000). “A Method of Transferring Cones of Intersection Form to Cones of Sum Form and its Applications in Data Envelopment Analysis Models.” Int J Syst Sci 31(5): 629-638.

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