M. Naemah, Iman, Saad T. Faris, and Khuder N. Abed. “RETRACTED: ALLOCATION OF HYBRID COMPOSITE MATERIALS IN FRICTION DISC CLUTCHES”. Journal of Engineering and Sustainable Development 27, no. 3 (May 30, 2023): 350–362. Accessed April 5, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1875.