Table 3.

Distribution of weighting methods.

Author (s)	Weighting method	Frequency
Ashraf and Abdullah [103 ], Belhadi et al. [106 ], Chen and Lin [107 ], Requia et al. [110 ], Das et al. [115 ], Mohammed et al. [122 ], Choudhury et al. [124 ], Boyacıand Şişman [126 ], Shadeed and Alawna [128 ], Ortiz-Barrios et al. [129 ], Yao [130 ], Özkan et al. [10 ], Ghorui et al. [131 ], Hezam et al. [135 ], Hartanto and Mayasari [136 ], Gao et al. [137 ], Khurana et al. [9 ], Khan et al. [16], [17], Chen and Wang [143 ], Palouj et al. [144 ], Altay et al. [71 ], Razzaq et al. [8 ], Albahri et al. [148 ], Orji and Ojadi [152 ], Das et al. [154 ], Sharma et al. [157 ]	AHP	27
Ocampo and Yamagishi [104 ], Hosseini et al. [114 ], Shah et al. [121 ], Altuntas and Gok [76 ], Lin et al. [5], [6], Asadi et al. [139 ], Paul et al. [140 ], Alam et al. [141 ], Shanker et al. [142 ], Das et al. [154 ]	DEMATEL	10
Aydin and Seker [120 ], Ahmad et al. [24 ], Kumar et al. [133 ], Petrudi et al. [134 ], Kumar and Kumar Singh [138 ], Wan et al. [93 ]	BWM	6
Ashraf and Abdullah [103 ], Mohammed et al. [108 ], Albahri et al. [111 ], Alkan and Kahraman [112 ], Ashraf and Abdullah [103 ]	Entropy	4
Mardani et al. [102 ], Sharma et al. [105 ], Saraji et al. [117 ]	SWARA	3
Shah et al. [121 ], Shanker et al. [142 ]	ANP	2
Albahri et al. [147 ], Alsalem et al. [146 ]	FWZIC	2
Karmaker et al. [153 ]	TISM	1
Albahri et al. [73 ]	SODOSM	1
Mahmoudi et al. [155 ]	OPA	1
Chai et al. [127 ]	Maximizing deviation method	1