Table 6.

Comparative significance of the first-tier supplier selection criteria

Criteria	G1	G2
C1	D1 = {(0.15,0.2),(0.2,0.55),(0.25,0.25)}	D2 = {(0.2,0.55),(0.25,0.45)}
C2	D1 = {(0.15,0.2),(0.2,0.55),(0.25,0.25)}	D2 = {(0.2,0.4),(0.25,0.45)}
C3	D1 = {(0.1,0.5),(0.15,0.35),(0.2,0.15)}	D2 = {(0.1,0.4),(0.15,0.15),(0.2,0.2)}
C4	D1 = {(0.4,0.35),(0.5,0.65)}	D2 = {(0.5,0.55),(0.55,0.45)}
C5	D1 = {(0,1)}	D2 = {(0,1)}
C6	D1 = {(0.55,0.4),(0.55;0.6,0.35),(0.6,0.25)}	D2 = {(0.55,0.55),(0.6,0.45)}
C7	D1 = {(0.45,0.2),(0.45;0.5,0.5),(0.5,0.3)}	D2 = {(0.45,0.4),(0.5,0.6)}
C8	D1 = {(0.25,0.35),(0.35,0.35),(0.4,0.25)}	D2 = {(0.25,0.35),(0.35,0.3),(0.4,0.3)}