Suharyadi, Hafid, et al. “Corrosion Behaviours of Carbon Steels Coated by Graphene Epoxy in Different Solutions”. International Journal of Integrated Engineering, vol. 17, no. 4, Aug. 2025, pp. 70-77, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/21322.