Erwin, Erwin, Didik Sugiyanto, Danny Faturahman, Yefri Chan, and Husen Asbanu. 2024. “Effect of the Brass Waste Recycling Process on Mechanical Properties With Investment Casting for Gear Materials”. Eastern-European Journal of Enterprise Technologies 4 (12 (130):34-41. https://doi.org/10.15587/1729-4061.2024.299764.