Kourtit, Karima, Peter Nijkamp, and Roger Reece Stough. “Quality and Inequality in Urban and Regional Systems”. REGION 5, no. 4 (January 2, 2019): E1-E5. Accessed April 20, 2024. https://openjournals.wu-wien.ac.at/ojs/index.php/region/article/view/257.