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		Siagian, S., 		Sugita, I., & 		Kencanawati, C.
2018 Feb  1.  Pengaruh Permeabilitas Cetakan Pasir dan Penambahan Silikon(Si) pada Proses Pengecoran Terhadap Kekerasan, Porositas dan Struktur Mikro Alumunium Silikon (Al-Si). Teknik Desain Mekanika. [Online] 6:4