Vol. 6 No. 2 (2018): September
Published:
2018-08-07
Articles
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https://doi.org/10.24252/jpf.v6i2.5595 Views: 2934 / PDF Downloads: 2886
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https://doi.org/10.24252/jpf.v6i2.5526 Views: 499 / PDF Downloads: 256
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https://doi.org/10.24252/jpf.v6i2.5882 Views: 1944 / PDF Downloads: 1035