ArchiveVolume 7, Issue 2, April 2019
Siska Nerita, Yulia Sri Hartati, Annika Maizeli, Aulia Afza
Pages: 54-57     Published Online: Jun. 29, 2019
DOI: 10.11648/j.sjedu.20190702.11        Views 129      Downloads 28
Jun Dong
Pages: 58-64     Published Online: Jul. 11, 2019
DOI: 10.11648/j.sjedu.20190702.12        Views 115      Downloads 33
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