Suherman, Suherman, 		Syakura, Abd, 		Nasution, Amirsyam, 		Mizhar, S., 		Hermawan, O., AND 		Handoko, A..
" Influence of Additional Sr and TiB on Aluminium Al-Si-Cu-Mg Alloys for Produced Prototype Cylinder Head Motorcycle" <em>Proceeding of Ocean, Mechanical and Aerospace -Science and Engineering-</em> [Online], Volume 5 Number 1 (19 November 2018)