M. NAEMAH, Iman; T. FARIS, Saad; N. ABED, Khuder. RETRACTED: ALLOCATION OF HYBRID COMPOSITE MATERIALS IN FRICTION DISC CLUTCHES. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 27, n. 3, p. 350–362, 2023. DOI: 10.31272/jeasd.27.3.5. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1875.. Acesso em: 3 jun. 2026.