ArchiveVolume 2, Issue 6, November 2017
Chilachava Temur, Gvinjilia Tsira
Pages: 110-115     Published Online: Nov. 2, 2017
DOI: 10.11648/j.ijssam.20170206.11        Views 3141      Downloads 303
Osei Antwi
Pages: 116-125     Published Online: Nov. 14, 2017
DOI: 10.11648/j.ijssam.20170206.12        Views 2217      Downloads 150
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