Jasim, Talib abdulameer. “Review on the Mechanisms of Modification Al-Si Alloys”. Journal of University of Babylon for Engineering Sciences 27, no. 1 (February 11, 2019): 338 - 343. Accessed January 19, 2020. https://www.journalofbabylon.com/index.php/JUBES/article/view/2169.