Table 7.

Countries where the case studies are applied.

Country	No. papers	Author(s)
India	8	Das et al. [115 ], Manupati et al. [77 ], Shanker et al. [142 ], Kumar et al. [133 ], Majumdar et al. [116 ], Choudhury et al. [124 ], Khurana et al. [9 ], Sharma et al. [157 ]
Turkey	7	Özkan et al. [10 ], Altuntas and Gok [76 ], Ecer and Pamucar [118 ], Aydin and Seker [120 ], Boyacıand Şişman [126 ], Altuntas and Gok [76 ], Goker [125 ]
China	7	Gao et al. [137 ], Yao [130 ], Ashraf et al. [109 ], Ashraf and Abdullah [103 ], Chai et al. [127 ], Mahmoudi et al. [155 ], Wan et al. [93 ]
Taiwan	3	Chen and Lin [107 ], Chen and Wang [143 ], Lin et al. [5], [6]
Philippine	3	Ocampo and Yamagishi [104 ], Ocampo et al. [119 ], Yamagishi and Ocampo [132 ]
Brazil	2	Requia et al. [110 ], da Silveira Pereira and de Mello [12 ]
Iran	2	Palouj et al. [144 ], Hosseini et al. [114 ]
Pakistan	2	Shah et al. [121 ], Mehmood et al. [151 ]
Bangladesh	2	Paul et al. [140 ], Karmaker et al. [153 ]
Morocco	1	Belhadi et al. [106 ]
Nigeria	1	Orji and Ojadi [152 ]
Palestine	1	Shadeed and Alawna [128 ]
Colombia	1	Ortiz-Barrios et al. [129 ]
Malaysia	1	Asadi et al. [139 ]
Italy	1	Bragatto et al. [159 ]