Shalluku, P. “Development of High-Performance Polymer Membranes for Hydrogen Separation and Purification in Petroleum Refineries in Nigeria”. International Journal of Creativity and Technical Development (IJCTD) 4, no. 2 (August 3, 2020): 1–55. Accessed September 19, 2024. http://icidr.org.ng/index.php/Ijctd/article/view/713.