ArchiveVolume 4, Issue 2, April 2016
Yang Hui, Sun Yanfei, Wang Tiedong, Zhao Xuesong
Pages: 39-44     Published Online: Mar. 29, 2016
DOI: 10.11648/j.ijema.20160402.11        Views 3396      Downloads 84
Abdul Ali Juma Mohamed, Sara Abdalla Khamis, Haji Mwevura, Miza Ali Kombo, Said Suleiman Bakari
Pages: 45-55     Published Online: Apr. 1, 2016
DOI: 10.11648/j.ijema.20160402.12        Views 3931      Downloads 138
Maged Mohamed Abdel Moneim Hussein
Pages: 56-64     Published Online: Apr. 5, 2016
DOI: 10.11648/j.ijema.20160402.13        Views 3207      Downloads 78
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