Xiuqin Ma Hongwu Qin A new parameter reduction algorithm for interval-valued fuzzy soft sets based on Pearson's product moment coefficient. 3718-3730 2020 50 Appl. Intell. 11 https://doi.org/10.1007/s10489-020-01708-1 db/journals/apin/apin50.html#MaQ20
