Nasir, Rizwan, Hilmi Mukhtar, Zakaria Man, Maizatul Shima Bt. Shaharun, and Mohamad Zailani Abu Bakar. 2014. “Performance Enhancement of Mixed Matrix Membranes through the Incorporation of Alkanolamines for CO2/CH4 Separation”. ASEAN Journal of Chemical Engineering 14 (2), 28-37. https://journal.ugm.ac.id/v3/AJChE/article/view/8850.