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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jptn.v11n2.p57-65
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jptn.v11n3.p253-261
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/jp.v12i1.10422
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