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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jppipa.v4n1.p1-7
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jppipa.v4n1.p1-7
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/mgi.v15i1.27-30
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (148.185 KB) | DOI: 10.14238/sp8.1.2006.25-31
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