ArchiveVolume 7, Issue 2, April 2018
Shuang Zhao
Pages: 25-30     Published Online: Apr. 28, 2018
DOI: 10.11648/j.ijber.20180702.11        Views 1380      Downloads 126
Sharfuddin Lisan
Pages: 31-41     Published Online: Jun. 13, 2018
DOI: 10.11648/j.ijber.20180702.12        Views 979      Downloads 73
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