eprints.undip.ac.ideprints.undip.ac.id/48604/2/Full_paper_Aris.pdfrd The 3 International Seminar on...
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eprints.undip.ac.ideprints.undip.ac.id/48604/2/Full_paper_Aris.pdfrd The 3 International Seminar on New Paradigm and Innovation on Natural Sciences and its Applica tion 2013 Developing