Norazlianie Sazali, Wan Norhayati Wan Salleh, Ahmad Fauzi Ismail, Kumaran Kadirgama, Mahendran Samykano, Gholamhassan Najafi, and Nur Izwanne Mahyon. “PI/NCC-Based Tubular Carbon Membrane: Influence of Aging Times towards Oxygen Separation Performance”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 51, no. 2, Mar. 2024, pp. 187-96, https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/2932.