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2by Dahlan, Saidat, Ramli, Bustami, Martono, Sugiyo Hadi, Sulaiman, Abubakar, Syafrial, SyafrialGet Fulltext
Published 1989
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4by Martono, Sugiyo Hadi, Dahlan, Saidat, Sulaiman, Abubakar, Muchtar, Khalil, Nurbaiti, NurbaitiGet Fulltext
Published 1995
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5by Lubis, ldrus, Martono, Sugiyo Hadi, Amin, Umar, Hasan, Kailani, Nurbaiti, Nurbaiti, Tobing, Basauli L.Get Fulltext
Published 1986
Academic Paper