Multiobjective Sustainable Order Allocation Problem Optimization with Improved Genetic Algorithm Using Priority Encoding

Table 1

Literature review summary.

Paper	Objective			Quantity discount	Product		Period		Supplier
	Tradition	Quality	Carbon emission		Single	Multi	Single	Multi	Single	Multi
[5]	√				√		√		√
[6]	√			√		√	√			√
[7]	√					√		√		√
[8]	√					√	√			√
[9, 14]	√				√			√		√
[10]	√				√		√			√
[11]	√			√	√		√			√
[12]	√			√	√			√		√
[13]	√			√		√	√			√
[16, 17]	√					√		√		√
[18]	√	√	√	√		√	√			√
[19, 20]	√	√	√		√		√			√
[21]	√	√	√			√		√		√
[22]	√		√		√			√		√
[23]	√		√	√	√			√		√
[24]	√	√	√			√	√			√
[25]	√		√			√		√		√
[26]	√		√		√		√			√
This study	√	√	√	√		√		√		√