Jihui Zhang 0003 Junqin Xu Fuzzy Entropy Method for Quantifying Supply Chain Networks Complexity. 1690-1700 2009 Complex (2) http://dx.doi.org/10.1007/978-3-642-02469-6_47 conf/complex/2009-2 db/conf/complex/complex2009-2.html#ZhangX09a