S. Hashmi, A. Mushtaq, S. Nadeem, Z. Awan, and Z. U. Ali, “Tertiary Amine-Mediated Polyvinyl Alcohol Membrane Over the Porous Support of Polyvinyl Chloride Membrane for CO2 Separation”, ijmst, vol. 8, no. 2, pp. 28-34, Nov. 2021.