Safian, M. A. H., M. S. Salleh, N. I. S. Hussein, M. A. Sulaiman, and S. H. Yahaya. “Production of LM4 Feedstock for Thixoforming by Using Cooling Slope Casting”. Journal of Advanced Manufacturing Technology (JAMT), Vol. 11, no. 1, June 2017, pp. 77-90, https://jamt.utem.edu.my/jamt/article/view/1401.