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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v12n02.p137-146
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v12n02.p187-195
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v12n03.p197-203
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v12n03.p221-228
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v12n03.p213-220
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v12n03.p261-266
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v12n03.p267-275
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v13n01.p7-11
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v13n01.p63-69
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpte.v13n03.p201-208