Vol. 5 No. 2 (2018)
Published:
2018-12-30
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https://doi.org/10.24252/jis.v5i2.12174 Views: 486 / PDF Downloads: 230
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https://doi.org/10.24252/jis.v5i2.12380 Views: 270 / PDF Downloads: 195
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https://doi.org/10.24252/jis.v5i2.6853 Views: 207 / PDF Downloads: 72