Arifin, Ilham Zainul, Wirawan Wirawan, and Hari Rarindo. “The Effect of Sodium Hydroxide Absorbent on The Exhaust Emissions From Internal Combustion Engine:”. Logic : Jurnal Rancang Bangun dan Teknologi 22, no. 1 (March 30, 2022): 27–34. Accessed November 21, 2024. https://ojs2.pnb.ac.id/index.php/LOGIC/article/view/377.