Zainuddin, H., M. B. Ali, K. A. Zakaria, L. H. Paijan, M. F. Mamat, and M. H. Abu Bakar. “Investigation of Impact Properties under Instrumented Charpy Test”. Journal of Engineering and Technological Sciences, vol. 56, no. 3, June 2024, pp. 329-3, doi:10.5614/j.eng.technol.sci.2024.56.3.2.