Arifin, I. Z., Wirawan Wirawan and Hari Rarindo (2022) “The Effect of Sodium Hydroxide Absorbent on The Exhaust Emissions From Internal Combustion Engine: ”, Logic : Jurnal Rancang Bangun dan Teknologi, 22(1), pp. 27–34. doi: 10.31940/logic.v22i1.27-34.