TY - Journal of Beijing University of Posts and Telecommunications A1 - YANG Hong-yu, CHENG Xiang T1 - Information System Risk Control Method Based on Work-Flow Y1 - 2016-06-28 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 105 EP - 109 VL - 39 IS - 3 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2016.03.019} N1 - 10.13190/j.jbupt.2016.03.019 ER -