SIMUTIS, Leonard J. Working within the System: A review of systems approaches in Urban Studies. American Studies, [S. l.], v. 14, n. 1, p. 109–120, 1973. DOI: 10.1353/amsj.v14i1.2390. Disponível em: https://journals.ku.edu/amsj/article/view/2390.. Acesso em: 30 apr. 2024.