Hendaryati H, Mokhtar A. Spider Web Shape of Brass Catalytic Converter for Reducing Exhaust Gas Emission. JEMMME [Internet]. 2017 Nov. 9 [cited 2024 Jul. 5];2(1):41-8. Available from: https://ejournal.umm.ac.id/index.php/JEMMME/article/view/4902