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. 2021 Jan 28:1–21. Online ahead of print. doi: 10.1007/s11356-021-12491-y

Table 21.

Ranking of the suppliers

COA BOA MOM SOM LOM
S5 6.357 6.947 6.889 6.997 6.116
S4 6.119 6.852 6.703 6.443 5.947
S3 5.978 6.009 5.297 6.128 5.736
S1 5.577 5.753 5.014 5.823 5.654
S6 5.228 5.213 4.302 5.005 5.302
S2 3.748 4.007 3.792 4.456 3.231