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		Qohar, Abdul, 		Sugita, I Ketut Gede, DAN 		Lokantara, I Putu.
" Pengaruh Permeabilitas dan Temperatur Tuang Terhadap Cacat dan Densitas Hasil Pengecoran Aluminium Silikon (Al-Si) Menggunakan Sand Casting" <em>Teknik Desain Mekanika</em> [Online], Volume 6 Nomor 1 (1 September 2017)