Li, Tingjie. “Research Progress on The Application of Nitrogen-Doped Three-Dimensional Graphene Hydrogels in Water Environment Pollution Remediation”. International Journal of Natural Resources and Environmental Studies 4, no. 2 (December 14, 2024): 21–27. Accessed July 21, 2026. https://wepub.org/index.php/IJNRES/article/view/4790.