Table 1.

Review of research on crisis solution alternative selection.

Category	Method	Source
Fuzzy rough set	Probabilistic approaches	(Sun, Ma, & Chen, 2015)
Hesitant fuzzy set	Prospect theory	(Zhou et al., 2019) (Zhang, Wang, Rodríguez, Wang, & Martínez, 2017) (Ding, Liu, & Shi, 2019)
Fuzzy linguistic set
Interval-valued fuzzy set	New information measure	(Peng & Garg, 2018)
	Entropy Weight Method	(Narayanamoorthy, Geetha, Rakkiyappan, & Joo, 2019)
	TOPSIS	(Xu, Cai, Chen, & Zhou, 2015)
Intuitionistic fuzzy set	Choquet method	(Chang, Chen, Xiong, Zhang, & Chin, 2019)
Type-2 fuzzy set	Extended TODIM method	(Qin, Liu, & Pedrycz, 2017)