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1מאת Chalil, Hayati, Masindan, Masindan, Syaritsa, T. Sita, Sinar, T. Sylviana, Harahap, OlivianaGet Fulltext
יצא לאור 1985
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2מאת Siahaan, E.K, Usman, Burhanuddin Ch, Sukapiring, Peraturen, Bakar, Abu, Chalil, Hayati, Pulungan, AmrizalGet Fulltext
יצא לאור 1977
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Academic Paper