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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v13n02.p139-149
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v13n03.p177-188
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v14n01.p65-72
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v14n01.p29-33
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v14n01.p43-48
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v14n02.p87-95
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Show Abstract | Download Original | Original Source | Check in Google Scholar
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Show Abstract | Download Original | Original Source | Check in Google Scholar
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Show Abstract | Download Original | Original Source | Check in Google Scholar