ArchiveVolume 5, Issue 1, March 2020
Chen Cheng
Pages: 1-12     Published Online: Jan. 4, 2020
DOI: 10.11648/j.ellc.20200501.11        Views 326      Downloads 169
Jose Maria Peñalver Vilar, Luis Valles Grau
Pages: 13-24     Published Online: Jan. 31, 2020
DOI: 10.11648/j.ellc.20200501.12        Views 290      Downloads 109
Jose Maria Peñalver Vilar, Luis Valles Grau
Pages: 25-35     Published Online: Feb. 4, 2020
DOI: 10.11648/j.ellc.20200501.13        Views 269      Downloads 88
Yang Yu
Pages: 36-44     Published Online: Feb. 25, 2020
DOI: 10.11648/j.ellc.20200501.14        Views 260      Downloads 134
Abebayehu Anjulo Alaro
Pages: 45-52     Published Online: Mar. 6, 2020
DOI: 10.11648/j.ellc.20200501.15        Views 227      Downloads 103
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