Adwan H, Ali. “Study Of Diffusion Influence Materials Of Copper-Zinc-Steel On The Hardness And Micro Hardness Under Heat Treatment”. Diyala Journal of Engineering Sciences 12, no. 3 (September 1, 2019): 1–7. Accessed December 25, 2024. https://mail.djes.info/index.php/djes/article/view/58.