Kazeem, Abubakar, Amkpa Job Ajala, Nur Azam Badarulzaman, and Wan Fahmin Faiz Wan Ali. 2020. “Effect of Imperfections on Conductivity and Hardness of High-Zn X7xxx Cast Al-Alloys Produced from Recycled Beverage Can”. International Journal of Integrated Engineering 12 (1), 188-94. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4349.