TECH. SUHAILA JUMA RADI; ASST. TECH. AFRAH OUDAH SABEEH; PROF. DR. SAFAA MOHAMMED HADI. USING WAITING LINES THEORY TO SOLVE THE PROBLEM OF WAITING A CASE STUDY IN THE NATIONAL BANK OF IRAQ. World Economics and Finance Bulletin, [S. l.], v. 19, p. 183-191, 2023. Disponível em: https://scholarexpress.net/index.php/wefb/article/view/2247. Acesso em: 15 apr. 2025.