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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jppipa.v1n1.p33-36
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jppipa.v6n1.p48-55
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jppipa.v1n1.p33-36
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ja.v2n2.p23-29