محمد خضر محمود د.م. Symbolism of Heraldry on metal (selected samples). lark, [S. l.], v. 13, n. 2, p. 487–461, 2021. DOI: 10.31185/lark.Vol2.Iss41.1813. Disponível em: https://lark.uowasit.edu.iq/index.php/lark/article/view/1813. Acesso em: 29 may. 2026.