ArchiveVolume 4, Issue 1, February 2019
Anwar Wafi Hayat
Pages: 1-12     Published Online: Jan. 31, 2019
DOI: 10.11648/j.ijecs.20190401.11        Views 823      Downloads 184
Jierui Jia, Junyang Li, Ke Gao
Pages: 13-18     Published Online: Apr. 28, 2019
DOI: 10.11648/j.ijecs.20190401.12        Views 709      Downloads 101
Sulkhan Chakim
Pages: 19-27     Published Online: May 7, 2019
DOI: 10.11648/j.ijecs.20190401.13        Views 712      Downloads 101
Kristina Rigden
Pages: 28-35     Published Online: Jun. 19, 2019
DOI: 10.11648/j.ijecs.20190401.14        Views 652      Downloads 134
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