ArchiveVolume 5, Issue 1, March 2020
Amare Alamirew Aynie, Tigabu Birhan Kassa, Dagninet Derebe Abie
Pages: 1-8     Published Online: Jan. 6, 2020
DOI: 10.11648/j.bsi.20200501.11        Views 15      Downloads 14
Esayas Tadesse Gebremariam, Getu Melesie Taye, Diriba Alemayehu
Pages: 9-13     Published Online: Jan. 9, 2020
DOI: 10.11648/j.bsi.20200501.12        Views 15      Downloads 7
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