F. F. Ashaari and S. Y. M. Amin, “Optimization of thermoplastic material for plastic injection molding process by using Taguchi method”, rpmme, vol. 3, no. 1, pp. 831–838, Aug. 2022, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/rpmme/article/view/6541