KELLER, S. Opening address. Ekistics and The New Habitat, [S. l.], v. 73, n. 436-441, p. pp.24–25, 2006. DOI: 10.53910/26531313-E200673436-44188. Disponível em: https://ekisticsjournal.org/index.php/journal/article/view/88. Acesso em: 23 apr. 2024.