Unification and its educational importance. Thi Qar Arts Journal, Huminites, v. 2, n. 35, p. 23–39, 2021. DOI: 10.32792/tqartj.v2i35.205. Disponível em: http://mail.jart.utq.edu.iq/index.php/main/article/view/205. Acesso em: 8 jan. 2025.