ArchiveVolume 2, Issue 2, December 2018
Wensheng Sun, Shufeng Wang
Pages: 42-46     Published Online: Aug. 28, 2018
DOI: 10.11648/j.ijse.20180202.11        Views 686      Downloads 70
Urazbaeva Dilbar
Pages: 47-51     Published Online: Sep. 19, 2018
DOI: 10.11648/j.ijse.20180202.12        Views 552      Downloads 51
Zohrab Melikyan, Siranush Egnatosyan
Pages: 52-56     Published Online: Oct. 6, 2018
DOI: 10.11648/j.ijse.20180202.13        Views 586      Downloads 91
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