Qingyuan Zhou Research on Enterprise Competitiveness Evaluation Based on TOPSIS and Wavelet Neutral Network. 311-314 2009 SSME https://doi.org/10.1109/SSME.2009.107 https://doi.ieeecomputersociety.org/10.1109/SSME.2009.107 conf/ssme/2009 db/conf/ssme/ssme2009.html#Zhou09