ArchiveVolume 8, Issue 2, April 2020
Peng Xue, Hao Ma
Pages: 41-46     Published Online: Apr. 28, 2020
DOI: 10.11648/j.sjedu.20200802.12        Views 266      Downloads 88
Xu Yi, Huang Chune
Pages: 47-55     Published Online: May 27, 2020
DOI: 10.11648/j.sjedu.20200802.13        Views 222      Downloads 92
Wang Xi, Liu Jian, Zhang Xiaojun, Xue Zhengkun
Pages: 56-61     Published Online: Jun. 3, 2020
DOI: 10.11648/j.sjedu.20200802.14        Views 209      Downloads 53
Hongxin Wang, Jin Xu, Liping Yang, Saidi Wan
Pages: 62-65     Published Online: Jun. 3, 2020
DOI: 10.11648/j.sjedu.20200802.15        Views 222      Downloads 92
Shihua Liu, Hao Zhang, Zhanxiang Ye, Gang Wu
Pages: 66-70     Published Online: Jun. 8, 2020
DOI: 10.11648/j.sjedu.20200802.16        Views 204      Downloads 482
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