T. Faris , Saad, Huda Salih Mahdi, and Khuder N. Abed. “Studying and Improving the Hardness Properties of Gray Cast Iron”. Diyala Journal of Engineering Sciences 15, no. 2 (June 1, 2022): 114–121. Accessed May 17, 2024. https://www.djes.info/index.php/djes/article/view/953.