Oswaldo Redig De Campos Filho, Waleria Guerreiro Lima, and Rodrigo Felipe Albuquerque Paiva De Oliveira. “Smart Sustainable Cities: Using a Fuzzy Inference System To Determine Their Global Score”. Global Journal of Science Frontier Research 19, no. H1 (January 15, 2019): 1–25. Accessed April 28, 2024. https://journalofscience.org/index.php/GJSFR/article/view/2413.