From: Application of fuzzy group decision-making selecting green supplier: a case study of the manufacture of natural laurel soap
Number
Linguistic variables
TFNs
1
Very poor (VP)
(0, 1, 2)
2
Poor (P)
(1, 2, 3)
3
Mid poor (MP)
(2, 3.5, 5)
4
Fair (F)
(4, 5, 6)
5
Mid good (MG)
(5, 6.5, 8)
6
Good (G)
(7, 8, 9)
7
Very good (VG)
(8, 9, 10)