ArchiveVolume 9, Issue 4, August 2020
Ming Yin, Jianxin Zhang, Dianzhi Liu, Yuan Zhao
Pages: 37-43     Published Online: Jul. 6, 2020
DOI: 10.11648/j.pbs.20200904.11        Views 65      Downloads 48
Muhammad Haikal, Latipun Latipun
Pages: 44-49     Published Online: Jul. 17, 2020
DOI: 10.11648/j.pbs.20200904.12        Views 39      Downloads 39
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