TY - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition) A1 - WANG Xiao-li1,ZHANG Peng2,WEI Jian-guo1 T1 - Dynamic Network DEA Approach to Performance Evaluation of Funds #br# Based on Direction Distance Function Y1 - JF - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition) JO - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition) SP - 80 EP - 89 VL - 20 IS - 5 UR - {https://journalsk.bupt.edu.cn/EN/10.19722/j.cnki.1008-7729.2018.0100} N1 - 10.19722/j.cnki.1008-7729.2018.0100 ER -