D. Satria, T. Kurniawan, R. Lusiani, E. Listijorini, I. Rosyadi, and N. J. Salman, “Analysis of Pressure Laboratory Scale Swing Adsorption (PSA) Varian Design using Zeolite 13X as Adsorben Medium”, JEMMME, vol. 6, no. 2, pp. 103–110, Nov. 2021.