Vol. 6 No. 2 (2019)
Published:
2019-12-30
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https://doi.org/10.24252/jis.v6i2.10207 Views: 458 / PDF Downloads: 305 / PDF Downloads: 0
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https://doi.org/10.24252/jis.v6i2.12066 Views: 282 / PDF Downloads: 151
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https://doi.org/10.24252/jis.v6i1.12159 Views: 275 / PDF Downloads: 135