الزيدي أ.م. د. باقر ابراهيم. The Hard problem. lark, [S. l.], v. 11, n. 5, p. 303–290, 2019. DOI: 10.31185/lark.Vol4.Iss35.1281. Disponível em: https://lark.uowasit.edu.iq/index.php/lark/article/view/1281. Acesso em: 8 jun. 2026.