Ahmad Syuhada, M.I. Maulana, and R. Sary, “The Ability of Selected Plants to Absorbing CO₂, CO and HC from Gasoline Engine Exhaust ”, Int. J. Automot. Mech. Eng., vol. 19, no. 4, pp. 10094–10102, Dec. 2022, doi: 10.15282/ijame.19.4.2022.06.0780.