2Lijie Guo,Jinji Gao,Jianfeng Yang,Jianxin Kang.Criticality evaluation of petrochemical equipment based on fuzzy comprehensive evaluation and a BP neural network[J].Journal of Loss Prevention in the Process Industries.2009(4)
3Cheng-Min Feng,Rong-Tsu Wang.Performance evaluation for airlines including the consideration of financial ratios[J].Journal of Air Transport Management.2000(3)