R. Lutfi Zakaria. “PENGUKURAN EMISI GAS BUANG SEPEDA MOTOR HONDA SUPRA X 125 DENGAN VARIASI OCTANE BAHAN BAKAR BERBASIS IOT”. Journal of Innovation Research and Knowledge, vol. 5, no. 3, Aug. 2025, https://bajangjournal.com/index.php/JIRK/article/view/11059.