Madushanka , W. ., G. Samarasekara, and K. . Ellawala. “Strategies to Promote Greenery in Urban Boundary Wall Facades: A Case Study in Residential Areas of Colombo District, Sri Lanka”. International Journal of Built Environment and Sustainability, vol. 9, no. 3, Aug. 2022, pp. 61-73, doi:10.11113/ijbes.v9.n3.934.