Vol. 2 No. 2 (2019)
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https://doi.org/10.24252/djps.v2i2.11549 Views: 1169 / PDF Downloads: 666 / PDF Downloads: 0
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https://doi.org/10.24252/djps.v2i2.11703 Views: 855 / PDF Downloads: 399
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https://doi.org/10.24252/djps.v2i2.11560 Views: 1730 / PDF Downloads: 807 / PDF Downloads: 0
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https://doi.org/10.24252/djps.v2i2.11503 Views: 1876 / PDF Downloads: 1356
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https://doi.org/10.24252/djps.v2i2.12147 Views: 620 / PDF Downloads: 640