Ahmad Safuan AS, Rosli Ahmad. Effect of Yttrium, Holmium and Zirconium on Microstructure and Mechanical Properties of Aluminium LM30 Alloy. rpmme [Internet]. 2025 Sep. 5 [cited 2026 Aug. 15];6(1):36-9. Available from: https://periodical.uthm.edu.my/index.php/rpmme/article/view/16925