A. ABDULRAZAQ, Omar; D. KADHIM, Zeyad; D. SUBHI, Akeel. An Investigation into the Railway Shoulder Manufacturing. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 13, n. 2, p. 86–94, 2009. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1551.. Acesso em: 20 apr. 2025.