Liyanage, K., K. Waidyasekara, B. Mallawaarachchi, and T. Pandithawatta. “Origins of Construction and Demolition Waste Generation in the Sri Lankan Construction Industry”. Proceedings of the World Conference on Waste Management, vol. 1, no. 1, June 2019, pp. 1-8, doi:10.17501/26510251.2019.1101.