ArchiveVolume 7, Issue 2, June 2018
Li Kexin
Pages: 44-51     Published Online: May 18, 2018
DOI: 10.11648/j.jwer.20180702.11        Views 1238      Downloads 106
Md Niaz Murshed Chowdhury, Mohammed Jashim Uddin, Nezum Uddin, Shamim Uddin
Pages: 52-63     Published Online: Jun. 11, 2018
DOI: 10.11648/j.jwer.20180702.12        Views 1245      Downloads 164
Zhao Yu, Cao Fuguo
Pages: 64-72     Published Online: Jun. 15, 2018
DOI: 10.11648/j.jwer.20180702.13        Views 1253      Downloads 123
Ubi-Abai Itoro Praise, Chioma Chidinma George-Anokwuru
Pages: 73-81     Published Online: Jul. 23, 2018
DOI: 10.11648/j.jwer.20180702.14        Views 1131      Downloads 138
Li Yan, Peng Chao
Pages: 82-91     Published Online: Sep. 28, 2018
DOI: 10.11648/j.jwer.20180702.15        Views 1017      Downloads 134
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