Ramli R. Pengaruh Secondary Aging Treatment Terhadap Sifat Mekanik Dan Surface Glossiness Pada Aluminium Paduan 7003. Manutech [Internet]. 2019 May 14 [cited 2026 Sep. 22];9(01):55-9. Available from: https://ejournal.polman-babel.ac.id/index.php/manutech/article/view/33