ArchiveVolume 4, Issue 3, September 2020
Chekole Abrha Hayleyesus, Brhanu Tsegay Mesele
Pages: 41-45     Published Online: Jun. 9, 2020
DOI: 10.11648/j.ajist.20200403.11        Views 252      Downloads 91
Zhu Hao, Kong Qiongying, Xu Zexin, Chen Jiwei, Li Xian
Pages: 46-50     Published Online: Aug. 18, 2020
DOI: 10.11648/j.ajist.20200403.12        Views 118      Downloads 28
Junko Tsujino, Keiko Horii
Pages: 51-57     Published Online: Aug. 31, 2020
DOI: 10.11648/j.ajist.20200403.13        Views 89      Downloads 54
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