Vol. 20 No. 2 (2017): DECEMBER
Published:
2017-12-30
Vol. 20 No. 2
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https://doi.org/10.24252/lp.2017v20n2i4 Views: 11208 / PDF Downloads: 6048
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https://doi.org/10.24252/lp.2017v20n2i8 Views: 4965 / PDF Downloads: 611
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https://doi.org/10.24252/lp.2017v20n2i10 Views: 7889 / PDF Downloads: 1603