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2gan Lubis, Idrus, Martono, Sugiyo Hadi, Amin, Umar, Nurbaiti, Nurbaiti, Zainal, AsniGet Fulltext
Cyhoeddwyd 1985
Academic Paper -
3gan Lubis, ldrus, Martono, Sugiyo Hadi, Amin, Umar, Hasan, Kailani, Nurbaiti, Nurbaiti, Tobing, Basauli L.Get Fulltext
Cyhoeddwyd 1986
Academic Paper