Thanh-Lam Nguyen Ming-Hung Shu Ying-Fang Huang Bi-Min Hsu Fuzzy x̄ and s Charts: Left & Right Dominance Approach. 355-366 2013 Advanced Methods for Computational Collective Intelligence https://doi.org/10.1007/978-3-642-34300-1_34 https://www.wikidata.org/entity/Q57947287 series/sci/2013-457 db/series/sci/sci457.html#NguyenSHH13