Bashir, F., P. Hakeem, A. Mushtaq, H. Tareen, M. Aamir, and K. S. Buzdar. “Role of Metallic and Bimetallic Modified Carbon Nanotubes in the Formation of Polymethyl Methacrylate Composites: Zn-CNTs and Cu-Zn/CNTs Based PMMA Composites”. Pakistan Journal of Multidisciplinary Research, vol. 4, no. 2, Dec. 2023, pp. 32-45, http://pjmr.org/pjmr/article/view/407.