Alsaati, A., W. J.Ali, and F. M.Alkaissy. “FRICTION TECHNIQUE FOR DETERMINING FORMING LIMIT CURVES”. Al-Rafidain Engineering Journal (AREJ) 14, no. 4 (December 28, 2006): 11–23. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/arej/article/view/30586.