Wei Pan Shouyang Wang Jinlong Zhang Guowei Hua Yong Fang Fuzzy Multi-Objective Order Allocation Model for Risk Management in a Supply Chain. 771-776 2008 Asia International Conference on Modelling and Simulation http://doi.ieeecomputersociety.org/10.1109/AMS.2008.38 conf/asiams/2008 db/conf/asiams/ams2008.html#PanWZHF08