Abed, Abdulrahman Najim, and Ban Ali Sabri. 2017. “Microstructure and Density Characterization for Nano and Micro Alumina-Aluminum Composites Produced by Powder Metallurgy Process”. Al-Nahrain Journal for Engineering Sciences 20 (5): 1024-33. https://nahje.com/index.php/main/article/view/332.