G. P. R. Abhayawardana
- Suggested Improvements on Water Treatment Plants for Sustainable Development. In: Engineer: Journal of the Institution of Engineers, Sri Lanka, v. 46, n. 3 (July 2013). (2013):
- Removal of Lead in Landfill Leachate using Permeable Reactive Barriers with Natural Red Earth and Peat. In: Engineer: Journal of the Institution of Engineers, Sri Lanka, v. 48, n. 4 (October 2015). (2015):