Vol. 4 No. 2 (2015)
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https://doi.org/10.24252/jpm.v4i2.989 Views: 346 / PDF Downloads: 1840
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https://doi.org/10.24252/jpm.v4i2.992 Views: 466 / PDF Downloads: 757
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https://doi.org/10.24252/jpm.v4i2.995 Views: 1837 / PDF Downloads: 1878
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https://doi.org/10.24252/jpm.v4i2.997 Views: 452 / PDF Downloads: 440
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https://doi.org/10.24252/jpm.v4i2.998 Views: 377 / PDF Downloads: 580