Banowati, N.; Noviaty, V.; Fernanda Alvi Yasin , M.; Mulyono, S.; Rahmiati, T.; Wahyudi, W.; Rizkia, V. An Analysis of the Effect of Feeder Volume on Shrinkage Porosity Defects in Piston Products through the Gravity Die Casting Process. RiESTech 2024, 2, 1-17.