“EFFECT OF ALUMINUM CONTENT ON THE HARDNESS AND MACHINABILITY OF BRASS ALLOY USED IN OXYGEN CYLINDER VALVE”. THE IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING 21, no. 3 (September 29, 2021): 213–220. Accessed November 20, 2024. https://iqjfmme.com/index.php/jmme/article/view/562.