ArchiveVolume 6, Issue 5, October 2018
Tarek Elsayed Sayed Ahamed, El Sayed Sayed Ahamed
Pages: 157-163     Published Online: Nov. 6, 2018
DOI: 10.11648/j.jps.20180605.11        Views 136      Downloads 9
Caixia Wang, Weiqun Liu, Yuanfang Wei, Hailong Song
Pages: 164-172     Published Online: Nov. 6, 2018
DOI: 10.11648/j.jps.20180605.12        Views 152      Downloads 16
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