Farahdila, K., Goh, P. S. ., Ismail, A. F., Wan, N. F. W. M. ., Mohd, H. M. H. ., Soh, W. K. ., & Yeo, S. Y. . (2021). Challenges in Membrane Process for Gas Separation from Natural Gas. Journal of Applied Membrane Science & Technology, 25(2), 89–105. https://doi.org/10.11113/amst.v25n2.222