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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (778.725 KB) | DOI: 10.26740/jpte.v11n02.p213-220
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (354.288 KB) | DOI: 10.26740/jpte.v11n03.p379-388
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (703.711 KB) | DOI: 10.26740/jpte.v12n01.p1-9
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.49 KB) | DOI: 10.26740/jpte.v10n03.p301-308