النظم الاجتماعية والتوزيع الاقليمي والتنمية. Al-Adab Journal, [S. l.], v. 22, n. 22, p. 185–209, 2021. DOI: 10.31973/aj.v22i22.2222. Disponível em: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/2222.. Acesso em: 17 jul. 2024.