eprints.unsri.ac.ideprints.unsri.ac.id/1124/1/No.16_Prosiding_Usaha_Basis... · 2012-07-22 ·...

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Transcript of eprints.unsri.ac.ideprints.unsri.ac.id/1124/1/No.16_Prosiding_Usaha_Basis... · 2012-07-22 ·...