W. D. A. S. Wijayapala
- The Economic Comparison of Reservoir Type and Run of the River Type Hydropower Plants: A Case Study for Upper Kotmale Hydropower Plant. Dans: Engineer: Journal of the Institution of Engineers, Sri Lanka, v. 51, n. 4 (décembre 2018). (2018):
- Development of a model for prediction of solar radiation. Dans: Engineer: Journal of the Institution of Engineers, Sri Lanka, v. 48, n. 3 (juillet 2015). (2015):