Ghatus, M., et al. “MICRO-HARDNESS OF RAPIDLY QUENCHED OF SOME ALUMINIUM ALLOYS (AL 14-16% CU AND AL 4% CU)”. Conference On Engineering Science and Technology, vol. 6, no. 5، مجلة الجامعة الأسمرية, Dec. 2021, pp. 336-2, https://conf.asmarya.edu.ly/index.php/cest2021/article/view/123.