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ArchiveVolume 6, Issue 1, March 2020
Melaku Tafese Awulachew
Pages: 1-9     Published Online: Apr. 8, 2020
DOI: 10.11648/j.jher.20200601.11        Views 466      Downloads 188
Melaku Tafese Awulachew
Pages: 10-26     Published Online: Apr. 8, 2020
DOI: 10.11648/j.jher.20200601.12        Views 458      Downloads 170
Tamiru Yazew
Pages: 27-30     Published Online: Apr. 14, 2020
DOI: 10.11648/j.jher.20200601.13        Views 416      Downloads 129
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