Triyono, T.; Surojo, E.; Prabowo, A. R.; Triyono, T.; Djordjevic, B.; Carvalho, H.; Adie, P. W.; Sholehuddin, M. I. Effect of Cu and SiO₂ on a Remelted-Recycled Piston Alloy Under Vertical Centrifugal Casting Conditions. Civ Eng J 2026, 12, 337-360.