Shaalan Abed Fathi, Mohammed. “Study of the Ultrasonic Behavior in (α + β`) Brass Alloy”. Al-Rafidain Engineering Journal (AREJ) 23, no. 2 (April 28, 2015): 147–152. Accessed September 8, 2025. https://jamh.uomosul.edu.iq/index.php/arej/article/view/30478.