Intuitionistic Type-2 Fuzzy Set and Its Properties. - Surajit Dan; Mohuya B. Kar; Saibal Majumder; Bikashkoli Roy; Samarjit Kar; Dragan Pamucar (Symmetry, 2019)

Type-2 Multi-Fuzzy Sets and Their Applications in Decision Making. - Mohuya B. Kar; Bikashkoli Roy; Samarjit Kar; Saibal Majumder; Dragan Pamucar (Symmetry, 2019)

Neutrosophic fuzzy set and its application in decision making. - Sujit Das; Bikashkoli Roy; Mohuya B. Kar; Samarjit Kar; Dragan Pamucar (J. Ambient Intell. Humaniz. Comput., 2020)