| Classification | GSES method | Reference | Frequency |
| Distance-based methods (31) | TOPSIS | [17–37] | 21 | GRA | [38–43] | 6 | EDAS | [44, 45] | 2 | MABAC | [46] | 1 | Relative-closeness coefficient | [47] | 1 |
| Compromise methods (19) | VIKOR | [48–61] | 14 | MULTIMOORA | [62–66] | 5 |
| Outranking methods (14) | ELECTRE | [67–72] | 6 | PROMETHEE | [73–76] | 4 | QUALIFLEX | [77–80] | 4 |
| Pairwise comparison methods (11) | AHP | [81–85] | 5 | ANP | [86–90] | 5 | AQM | [91] | 1 |
| Mathematical programming methods (22) | DEA | [92–109] | 18 | MOLP | [110–113] | 4 |
| Value and utility methods (30) | TODIM | [114–119] | 6 | Prospect theory | [120–122] | 3 | Axiomatic design method | [123–125] | 3 | Possibilistic statistical method | [126–128] | 3 | Digraph and matrix method | [128, 129] | 2 | WASPAS | [130–132] | 3 | COPRAS | [133, 134] | 2 | MAUT | [135] | 1 | MARCOS | [136] | 1 | Range of value | [137] | 1 | Possibility degree | [138] | 1 | Fuzzy comprehensive evaluation | [139] | 1 | Fuzzy performance index | [140] | 1 | Fuzzy preference relationship | [141] | 1 | Piecewise linear value function | [142] | 1 |
| Aggregation operator-based methods (12) | Choquet integral | [143–146] | 4 | Hybrid aggregation operator | [147] | 1 | Prioritized average operator | [148] | 1 | PBM operator | [149] | 1 | HFHPWA operator | [150] | 1 | IVIFGWHM operator | [151] | 1 | FWA operator | [152] | 1 | TOWA operator | [153] | 1 | SVTNDPNBM operator | [154] | 1 |
| Combined supplier selection methods (14) | GRA-TOPSIS | [155, 156] | 2 | TOPSIS, MOORA, GRA | [157] | 1 | TOPSIS, VIKOR, GRA | [158] | 1 | MOORA, COPRAS | [159] | 1 | MOORA, WASPAS | [160] | 1 | MLMCDM, TOPSIS | [161] | 1 | AHP, TOPSIS, IRP | [162] | 1 | VIKOR, ELECTRE | [163] | 1 | ARAS, MOLP | [164] | 1 | TOPSIS, ELECTRE | [165] | 1 | TOPSIS, TODIM | [166] | 1 | TOPSIS, ANFIS | [167] | 1 | TOPSIS, FIS | [168] | 1 |
| Other supplier selection methods (9) | Bayesian network, genetic algorithm | [169] | 1 | Bayesian framework, Monte Carlo Markov chain | [170] | 1 | Systems dynamics | [171] | 1 | FIS | [172, 173] | 2 | Satisfaction degree framework, regret theory | [174] | 1 | Consensus decision-making method | [175] | 1 | Decision-theoretic rough set | [176] | 1 | Six sigma quality indices | [177] | 1 |
| Supplier selection and order allocation methods (31) | TOPSIS, MOLP | [178–188] | 11 | AHP, MOLP | [189–192] | 4 | GRA, MOLP | [193] | 1 | BWM, MOLP | [194] | 1 | QFD, MOLP | [195] | 1 | MOORA, FMEA, MOLP | [196] | 1 | Decision field theory, MOLP | [197] | 1 | AQM, MOLP | [198] | 1 | DEMATEL, Taguchi loss function, MOLP | [199] | 1 | MOLP model | [200–208] | 9 |
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