QIZHI, M. Preservation in the Old City of Beijing: The "hutong-courtyard housing" system. Ekistics and The New Habitat, [S. l.], v. 73, n. 436-441, p. pp. 93–116, 2006. DOI: 10.53910/26531313-E200673436-441105. Disponível em: https://ekisticsjournal.org/index.php/journal/article/view/105. Acesso em: 29 mar. 2024.