Fuzzy data envelopment analysis models with assurance regions: A note. - Zhongbao Zhou; Siya Lui; Chaoqun Ma; Debin Liu; Wenbin Liu (Expert Syst. Appl., 2012)

A generalized fuzzy DEA/AR performance assessment model. - Zhongbao Zhou; Liting Zhao; Siya Lui; Chaoqun Ma (Math. Comput. Model., 2012)