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