ArchiveVolume 5, Issue 6, November 2017
Tewodros Abir, Alemayehu Ejigu, Arefayne Mesfin
Pages: 40-44     Published Online: Dec. 12, 2017
DOI: 10.11648/j.ajss.20170506.11        Views 1319      Downloads 83
Stephen Clarke, Stephanie Kovalchik, Martin Ingram
Pages: 45-49     Published Online: Dec. 25, 2017
DOI: 10.11648/j.ajss.20170506.12        Views 1439      Downloads 63
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