A similarity measure of intuitionistic fuzzy soft sets and its application in medical diagnosis. - Pachaiyappan Muthukumar; Sai Sundara Krishnan Gangadharan (Appl. Soft Comput., 2016)

Generalized Fuzzy Soft Rough Matrices and Their Applications in Decision-Making Problems. - Pachaiyappan Muthukumar; Sai Sundara Krishnan Gangadharan (Int. J. Fuzzy Syst., 2018)

Relations and Functions on Union-Soft Sets. - Sai Sundara Krishnan Gangadharan; Pachaiyappan Muthukumar (Int. J. Fuzzy Syst. Appl., 2018)

Ordered Intuitionistic Fuzzy Soft Sets and Its Application in Decision Making Problem. - Pachaiyappan Muthukumar; Sai Sundara Krishnan Gangadharan (Int. J. Fuzzy Syst. Appl., 2018)