Ahmad Mujaki , Zainal Arifin, Muhammad Nurtanto , Warju Warju and Moh Fawaid, “Catalytic Converter Models Tested Based on Plate Hole Variations on Mass Flow Rate and Heat Absorption: ANSYS Fluent Analysis”, IJAST, vol. 29, no. 06, pp. 3825 - 3833, Apr. 2020.