- Nawarathna THK, De Silva LIN (2014), Applicability of the Limit Equilibrium Method and the Finite Element Method in Predicting the Stability of Embankment Slopes, Annual Transactions of IESL 2014: pp. 11-17.
- Nawagamuwa UP, Sarangan S, Janagan B, Neerajapriya S (2014), Study on the Effect of Plant Roots for Stability of Slopes, Proceedings of the 3rd World Landslide Forum, Beijing, China, 2-6 June 2014.
- Nawagamuwa UP, Dayarathne WHRS (2014), Slope Stability Analysis at Bloemendhal Open Dump Site in Sri Lanka, Proceedings of the 3rd World Landslide Forum, Beijing, China, 2-6 June 2014.
- Rathnaweera TD, Nawagamuwa UP (2013), Study on the impact of rainfall trends on landslide frequencies; Sri Lanka Overview, Engineer, Journal of the Institution of Engineers Sri Lanka, Vol XXXXVI, No 02.
- Kulathilaka SAS, Sujeevan V (2011), Effect of Rainfall on Stability of Cut slopes in Residual Soils, 14th Asian Regional Conference in Soil Mechanics and Geotechnical Engineering, Hong Kong.
- Sujeevan V, Kulathilaka SAS (2011), Rainfall Infiltration Analysis in Unsaturated Residual Soil slopes, Geotechnical Journal, Journal of the Sri Lankan Geotechnical Society, Vol 6, pp 9-19.
- Kulathilaka SAS, Sujeevan V (2011), Rain Triggered slope Failures in Unsaturated Residual Soil, Geotechnical Journal, Journal of the Sri Lankan Geotechnical Society, Vol 6, pp 20-26.
- Kulathilaka SAS, Kumara LM (2011), Effectiveness of Surface Drainage in Enhancing the Stability of Cut Slopes During Periods of Heavy Rain, Annual Transactions of Institute of Engineers, Sri Lanka, pp 127-137.
- Nawagamuwa UP, Rathnaweera TD, Rangana HLL, Palihawadana MP (2011), Effects of Global Warming in Landslide Frequencies in Rathnapura District, Sri Lanka, Proceedings of the International Symposium on Social Management Systems, Colombo, Sri Lanka, 12th-16th Sep 2011
- Nawagamuwa UP, Rupasena TMAT, Kumara NHGTND, Viduranga KD (2011), Study of the Impacts of Native Vegetations on Cut slopes in Southern Highway, Sri Lanka, Proceedings of the International Symposium on Social Management Systems, Colombo, Sri Lanka, 12th-16th Sep 2011
- Nawagamuwa UP, Bhasin RK, Kjekstad O, Arambepola NMSI (2011), Recommending regional rainfall threshold values for early warning of landslides in the Asian Region, Proceedings of the 2nd World Landslide Forum, Rome, Italy, 3rd-7th October 2011.
- Nawagamuwa UP, Rupasena TMAT, Kumara NHGTND, Viduranga KD (2011), Introduction of Native Vegetation on Cut slopes as an erosion protection in Southern Highway, Sri Lanka, Proceedings of the 17th Annual Research Symposium on Excellence in Research, Excelling a Nation, University of Moratuwa, Sri Lanka, 2011, pp 155-157
- Nawagamuwa UP, Mujahid AHM (2010), Identification of Native Vegetation for Slope Stability in the Southern Province, Sri Lanka, 6th International Congress on Environmental Geotechnics, 8th-12th November 2010, New Delhi, India
- Nawagamuwa UP, Wijewickrama MIDH, Sugathapala K, Karunawardena WA, Bandara RMS (2010), Matale Ground subsidence and overlooked construction basics, Transactions 2010, Volume I- Part B, The Institution of Engineers Sri Lanka, 2010
- Nawagamuwa UP, Rifas AM (2010), Disaster research as a making tool for safer building practices, Annual symposium on “Building research to face future challenges”, NBRO Symposium 2010, 2nd Nov 2010
- Kulathilaka SAS (2009), Stabilisation of Slopes in Residual Soils, Conference for 25th Anniversary of National Building Research Organization (NBRO), Sri Lanka.
- Bandara RMS, Nawagamuwa UP (2009), Sri Lankan Experience on early warning mechanisms with simple and inexpensive approaches, Proceedings of Regional Meeting for Discussion and Promotion of Early Warning Mechanisms for Landslides in Asian Region, 25-27th November 2009, Bangkok, Thailand.
- Kulathilaka SAS (2008), Slope Failures in Residual Soils, Sri Lankan Geotechnical Society Annual Conference, Sri Lanka.
- Nawagamuwa UP (2008), Recent Developments in Sustainable Landslide Mitigation in Sri Lanka, Regional seminar on experience of geotechnical investigations and mitigation for landslides, Bangkok, Thailand, 13-14 October 2008.
- Kulathilaka SAS, Mettananda DCA (2006), Use of Soil Nailing Technique for Stabilization of Slopes, Geotechnical Journal by Sri Lankan Geotechnical Society.
- Kulathilaka SAS, Mettananda DCA (2003), Assessment of the Stabilization of Some Sri Lankan Slopes by the Probabilistic Approach, 12th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Singapore, pp 961-964.
- Rathnasiri RM, Puswewala UGA (2003), The Effect of Variation of the Location of Water Table on the Stability of Slopes, Proceedings, Second Young Geotechnical Engineers Conference, International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE), Romania, pp.95-96.
- Kulathilaka SAS, Mettananda DCA (2002), Development of Analytical and Physical Models to Study the Effectiveness of Soil Nailing Technique for the Stabilisation of Slopes in Sri Lanka, the Proceedings of the 3rd International Conference on “Landslides Slope Stability and the Safety of Infrastructure”, Singapore, pp 309-316.
- Mettananda DCA, Kulathilaka SAS (2002), Dependence of Probabilistic Evaluation of Slope Stability on the Deterministic Model, the Proceedings of the 3rd International Conference on “Landslides Slope Stability and the Safety of Infrastructure”, Singapore, pp 333-340.
- Mettananda DCA, Kulathilaka SAS (2002), Use of Probabilistic Concepts in Slope Engineering – the Proceedings of the Institution of Engineers Sri Lanka.
- Kulathilaka SAS, Mettananda DCA (2002), Assessment of Slope Stabilization Techniques through Probabilistic Approach, the Proceedings of the Engineering Research Unit Symposium at University of Moratuwa.