疫情期间网络教学存在的问题及对策分析
李月玲, 董新兵
Problems and countermeasures of online teaching during the epidemic
LI Yue-ling, DONG Xin-bing
天津农学院学报 . 2020, (2): 92 -96 .  DOI: 10.19640/j.cnki.jtau.2020.02.020