Majeed, Faraj Saeid Adrees. “Effect of Combined Ce and Er Addition on Solidification, Microstructure of the Al-7Si-Alloy: (Ce and Er Addition on Solidification)”. Journal of Advanced Mechanical Engineering Applications 1, no. 1 (March 4, 2020): 36–45. Accessed May 6, 2024. https://publisher.uthm.edu.my/ojs/index.php/jamea/article/view/5861.