conference

第一届公安军民融合中心理事会2020年 · November 27, 2020 · conference

International Conference on Open and Innovative Education (ICOIE 2018) in Hongkong · July 6, 2018 · conference

Educational Innovation through Technology (EITT2016) in Tainan · September 22, 2016 · conference

第二届全国治安管理处罚法修订研讨会 · July 19, 2016 · conference