Aljehani, Abdulaziz, and Rima J. Isaifan. “The Economic and Environmental Payoff of Green Roofs and Vertical Forests in Urban Air Pollution Mitigation”. Urban Planning and Construction 3, no. 1 (July 25, 2025): 79–93. Accessed June 3, 2026. https://ojs.bilpub.com/index.php/upc/article/view/603.