ArchiveVolume 8, Issue 6, December 2019
Muhammad Wazir, Wang Lei
Pages: 299-302     Published Online: Oct. 26, 2019
DOI: 10.11648/j.ss.20190806.11        Views 21      Downloads 7
Sunil Kumar Saroha, Bakaye Poudiougo, Uttam Anand, Li Zheng
Pages: 303-313     Published Online: Oct. 26, 2019
DOI: 10.11648/j.ss.20190806.12        Views 20      Downloads 10
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