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ArchiveVolume 8, Issue 4, July 2020
Bayisa Bussa, Kotola Feleke
Pages: 104-111     Published Online: Jul. 4, 2020
DOI: 10.11648/j.hss.20200804.11        Views 291      Downloads 138
Yue Wang, Yuan Zhao, Fuhui Song
Pages: 112-116     Published Online: Jul. 30, 2020
DOI: 10.11648/j.hss.20200804.12        Views 227      Downloads 682
Tong Yang
Pages: 117-123     Published Online: Aug. 17, 2020
DOI: 10.11648/j.hss.20200804.13        Views 179      Downloads 130
Daniel Techan, Bisrat Tesfay, Mehari Teame
Pages: 124-130     Published Online: Aug. 27, 2020
DOI: 10.11648/j.hss.20200804.14        Views 185      Downloads 75
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