Vol. 4 No. 2 (2015)
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https://doi.org/10.24252/jpm.v4i2.989 Views: 338 / PDF Downloads: 1827
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https://doi.org/10.24252/jpm.v4i2.992 Views: 458 / PDF Downloads: 727
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https://doi.org/10.24252/jpm.v4i2.995 Views: 1784 / PDF Downloads: 1822
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https://doi.org/10.24252/jpm.v4i2.997 Views: 438 / PDF Downloads: 435
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https://doi.org/10.24252/jpm.v4i2.998 Views: 348 / PDF Downloads: 537