الخفاف عبد علي. كيف يعمل الجغرافيون. Geographical Research Journal (Discontinued), [S. l.], v. 2, n. 30, 2020. Disponível em: https://journal.uokufa.edu.iq/index.php/kjg/article/view/7200. Acesso em: 22 feb. 2024.