ArchiveVolume 3, Issue 6, November 2017
Mulugeta Eshetu, Shure Sebboka, Tilahun Chibsa, Chala Chimdessa, Negash Bedasso
Pages: 55-60     Published Online: Jan. 23, 2018
DOI: 10.11648/j.ijsqa.20170306.11        Views 1046      Downloads 42
Hua Deng
Pages: 61-65     Published Online: Feb. 2, 2018
DOI: 10.11648/j.ijsqa.20170306.12        Views 1507      Downloads 43
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