journal.unair.ac.idjournal.unair.ac.id/download-fullpapers-17.2.5.pdfashadi siregar (ugm) herudjati...
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- journal.unair.ac.idjournal.unair.ac.id/download-fullpapers-17.2.5.pdfAshadi Siregar (UGM) Herudjati Purwoko (Undip) Edy Suhardono (Ubaya) Pemimpin Redaksi Doddy S. Singgih Sekretaris
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