Suryadi, Kusno, and Burhan Fazzry. “Detection and Analysis of CO, CO2 Exhaust Emissions in Two-Wheeled Motorized Vehicles”. Protek : Jurnal Ilmiah Teknik Elektro, vol. 10, no. 3, Sept. 2023, pp. 132-6, doi:10.33387/protk.v10i3.4497.