Irawan, RM Bagus, Achmad Sholecan, M Subri, and Antonius Pantomy. “Characterization of Catalytic Converter Made from Chrome-Plated Copper Plate Catalyst for Gasoline Motors”. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin 18, no. 1 (June 1, 2024): 31–37. Accessed August 25, 2025. https://jurnal.umj.ac.id/index.php/sintek/article/view/21244.