K. C. Khulbe, T. Matsuura, and C. Y. Feng. “Permselective Membranes for Gas Processing Replacing the Conventional Methods”. Journal of Chemical Engineering Research Updates 3, no. 1 (July 31, 2016): 31–59. Accessed March 12, 2025. https://avantipublisher.com/index.php/jceru/article/view/885.