ArchiveVolume 7, Issue 4, July 2018
Yingwei Yun, Seong-kyum Kim, Fengli Fan
Pages: 75-82     Published Online: Oct. 18, 2018
DOI: 10.11648/j.edu.20180704.11        Views 689      Downloads 59
Yang Hua, Yuan Run, Pan Siye
Pages: 83-89     Published Online: Oct. 18, 2018
DOI: 10.11648/j.edu.20180704.12        Views 715      Downloads 80
Wenhong Liu, Zhonghua Liu
Pages: 90-94     Published Online: Oct. 18, 2018
DOI: 10.11648/j.edu.20180704.13        Views 669      Downloads 53
Yunfeng Huo
Pages: 95-99     Published Online: Oct. 18, 2018
DOI: 10.11648/j.edu.20180704.14        Views 699      Downloads 74
Georgios Bikos
Pages: 100-107     Published Online: Oct. 22, 2018
DOI: 10.11648/j.edu.20180704.15        Views 638      Downloads 49
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