ISMAIL, K. Calculating the numerical rank in the mathematics of ancient Iraq. Adab Al-Rafidayn, [S. l.], v. 29, n. 32, p. 171–178, 1999. DOI: 10.33899/radab.1999.166691. Disponível em: https://jwups.uomosul.edu.iq/index.php/radab/article/view/32404. Acesso em: 28 sep. 2025.