N. Roshidan, H. Manshor, A. N. Rozhan, A. Z. Ahmad Azhar, and H. Purwanto, “Enhancing Zirconia-Toughened Alumina with Polyethylene Glycol (PEG) and Empty Fruit Bunch-Derived Solid Carbon”, Semarak Int. J. Mater. Res., vol. 1, no. 1, pp. 41–51, Dec. 2024.