M. N. Ahmad, N. A. Maidin, M. H. Ab Rahman, M. H. Osman, M. K. Wahid, and M. F. Mohd Basir, “Shrinkage Effect of Vacuum Casting Process Parameters using Taguchi Method”, IJIE, vol. 11, no. 3, Sep. 2019, Accessed: Apr. 08, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4692