SALAH AL-DIN SAYED MAJEED, J.; جمال; AMER HUSSAIN, R.; رؤى. Building a Software System Using a Spiral Model to Evaluate the Overall Risk of Projects Using Fuzzy Number Theory. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 10, n. 1, p. 365–384, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19515. Acesso em: 5 aug. 2025.