eprints.binadarma.ac.ideprints.binadarma.ac.id/2805/1/Jurnal SIGMATA Vol 3 Nomor 2.pdf · dan...

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Transcript of eprints.binadarma.ac.ideprints.binadarma.ac.id/2805/1/Jurnal SIGMATA Vol 3 Nomor 2.pdf · dan...