Lokupitiya, E., and K. Paustian. 2006. Agricultural soil GHG emissions: A review of national inventory methods. J. Environ. Qual. 35, 1413-1427.
Lokupitiya, E., Paustian, K. and M. Lefsky. 2005. Potential use of AVHRR NDVI in estimating crop aboveground biomass and carbon inputs from crop residues. 2005 International Anuual Meetings of the ASA-CSSA- SSSA, November 6- 10, 2005, Salt Lake City, USA.
Lokupitiya, E., Paustian, K, Williams, S., Lokupitiya, R. and Breidt Jay F..2005. Analysis of C Dynamics in Us Agricultural Soils. 2005 International Anuual Meetings of the ASA-CSSA- SSSA, November 6- 10, 2005, Salt Lake City, USA.
Lokupitiya E. Y. K and Batagoda B. M. S, (2001) Off-grid, community-based dendrothermal power generation: a viable option for clean development mechanism. Abstract presentation at the Proceedings of the seventh annual Forestry and Environment Symposium 2001 of the Department of the Forestry and Environmental science, University of Sri Jayewardenepura, Sri Lanka. P 25.
Global Program of Action (GPA) Test Regional Report of the South Asian Seas Region- Report submitted to the SACEP, and Prepared under the contract from UNEP/ GPA Coordination Office, the Hague, the Netherlands [2000]
Lokupitiya, E., Stanton, N.L., Seville, R.S. and Snider, J.R.. 2000. Effects of increased nitrogen deposition on soil nematodes in alpine tundra soil. Pedobiologia 44: 591-608
Cost-benefit analysis of the of the proposed sewer network at Moratuwa/Ratmalana in Sri Lanka as a measure to protect coastal areas from land-based sources of pollution- Report submitted to the SACEP [2000; with B.M.S. Batagoda and B.M.N.K. Dorabawila]
Capacity building needs of Sri Lanka for the implementation of the UNFCCC
-Report written for the Ministry and submitted to the UNFCCC Secretariat [2000]. (published by the UNFCCC secretariat under Capacity Building).
Batagoda, B.M.S., Kularathne, K.I.A., Lokupitiya, E.Y.K. 2000. Analysis of the Emission Trading Potential in Sri Lanka for the Greenhouse Gas Market under the Kyoto Protocol. Sri Lankan Journal of Agricultural Economics 3(1): 47-70
Ten Years of Environmental Cooperation between Sri Lanka and Norway 1989-1999 (with S. Rahubadda). NORAD Environmental Cooperation Programme, Ministry of Environment, Sri Lanka [1999].
Ratnasooriya, W.D., Lokupitiya, E.Y.K. and Dharmasiri, M.G.. 1999. Analgesia and sedation induced by Mucuna prurita seeds in rats . Medical Science Research 27: 403- 406