ArchiveVolume 8, Issue 4, August 2020
Mourad Ahmim, Abed Labiod
Pages: 47-52     Published Online: Sep. 17, 2020
DOI: 10.11648/j.sjams.20200804.11        Views 60      Downloads 51
Yenew Alemu, Mekonnen Tadesse
Pages: 53-59     Published Online: Sep. 21, 2020
DOI: 10.11648/j.sjams.20200804.12        Views 55      Downloads 37
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