Priambadi, IGN., 		Sugita, IKG, 		Putri Kusuma K, CI, AND 		Nitya Santhiarsa, IGN..
" The Effect of Forging Process on the Fracture Toughness and Hardness of Bronze as Gamelan Instrument Material" <em>Jurnal Energi Dan Manufaktur</em> [Online], (8 November 2012)