2021 – Green cities as a new approach for planning and developing cities in Sri Lanka. Published and presented in the Annual Research Symposium, Department of Demography -2021.
2020 – An analysis of environmental features of ancient gardens in Sri Lanka udyana warnana in “Sandesha Kawya” (W.M. K. Wijesundara /W.A.W.P.Wijayalath) 2nd International Conference on Archaeology, History and Heritage -(ICAHH 2021)
2019 – Benefits of green cities and achieving sustainable development goals in Sri Lanka- Colombo Arts-2019, December Volume
2016 – A study on sustainability of water resources consumption practices in the hotel sector in the city of Colombo. Published in the Annual Research symposium proceedings in the Faculty of Arts 2016
2015 – The coastal pollution management and strategies used in Sri Lanka and their impact on the coastal societies. Published in the Annual Research Symposium proceedings in the Department of Demography -2015
2013– Population changes in Sri Lanaka (1981-2012)
2012– Population environmental and climatic factors on dengue.
2011- The impact of spatial distribution of population on air pollution in the city of Colombo. Published in the refereed journal of the Population Association of Sri Lanka, Vol,12-13,2011.
2008 – Road accidents in the Gampaha District. Published in the International Conference on Social Sciences, SriLanka-2008. (ICSSL)