ArchiveVolume 3, Issue 2, April 2018
Debie Susanti, Myrnawati Crie Handini, Elindra Yetti
Pages: 24-27     Published Online: May 25, 2018
DOI: 10.11648/j.ijecs.20180302.11        Views 1410      Downloads 101
Zeng Chen
Pages: 28-33     Published Online: May 28, 2018
DOI: 10.11648/j.ijecs.20180302.12        Views 1273      Downloads 90
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