Mohd Joharudin NF, Abdul Latif N, Mustapa MS, Badarulzaman NA. Effects of Untreated and Treated Rice Husk Ash (RHA) on Physical Properties of Recycled Aluminium Chip AA7075. IJIE. 2020;12(1):132-137. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/4222