USMANI, SANIA, and Kashif Mehmood. “The Quadruple Bottom-Line Approach to Urbanization and Smart Sustainable Cities”. CITY UNIVERSITY RESEARCH JOURNAL 14, no. 1 (June 30, 2024): 1–16. Accessed April 3, 2025. http://cusitjournals.com/index.php/CURJ/article/view/946.