Arifin HH, Zardasti L, Yahaya N, et al. Effect of Multi-Walled Carbon Nanotubes on Infill Material for Pipeline Composite Repair . ijie. 2022;14(1):313-321. Accessed July 4, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/8065