Vol. 6 No. 2 (2017)
Published:
2017-10-05
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https://doi.org/10.24252/jpm.v6i2.3196 Views: 974 / PDF Downloads: 332
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https://doi.org/10.24252/jpm.v6i2.3224 Views: 1032 / PDF Downloads: 143
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https://doi.org/10.24252/jpm.v6i2.3227 Views: 306 / PDF Downloads: 191