Vithanage M, Rajapaksha AU, Oze C, Rajakaruna N, Dissanayake CB. Metal release from serpentine soils in Sri Lanka. Environmental Monitoring and Assessment. 2014;186:3415–3429.

Vithanage M, Rajapaksha AU, Wijesekara H, Weerarathne N, Sik Ok Y. Effects of soil type and fertilizer on As speciation in rice paddy contaminated with As-containing pesticide. Environmental earth sciences. 2014;71:837–847.

Vithanage M, Rajapaksha AU, Dou X, Bolan NS, Yang JE, Sik Ok Y. Surface complexation modeling and spectroscopic evidence of antimony adsorption on iron-oxide-rich red earth soils. Journal of colloid and interface science. 2013;406:217–224.

Ahmad M, Lee SS, Rajapaksha AU, Vithanage M, Zhang M, Cho JS, Lee S-E, Sik Ok Y. Trichloroethylene adsorption by pine needle biochars produced at various pyrolysis temperatures. Bioresource technology. 2013;143:615–622.

Rajapaksha AU, Vithanage M, Sik Ok Y, Oze C. Cr (VI) formation related to Cr (III)-muscovite and birnessite interactions in ultramafic environments. Environmental science & technology. 2013;47:9722–9729.

Lee SS, Abd El-Azeem SAM, Lim JE, Rajapaksha AU, Kim K-R, Lee YH, Lee YB, Chang Y-Y, Sik Ok Y. Efficacy of rapeseed residue and eggshell waste on enzyme activity and soil quality in rice paddy. Chemistry and Ecology. 2013;29:501–510.

Lim JE, Rajapaksha AU, Jeong SH, Park JN, Lee SS, Sik Ok Y. Heavy Metal Immobilization in Soil by Calcined Starfish Waste. 한국토양비료학회 학술발표회 초록집. 2013:264–264.

Vithanage MS, Rajapaksha AU, Ok YS, Oze C. Chemical characterization and metal abundance in Sri Lankan serpentine soils, in AGU Fall Meeting Abstracts.; 2012.

Rajapaksha AU, Wijesundara DM, Vithanage MS, Ok YS. Genesis of Cr (VI) in Sri Lankan soils and its adsorptive removal by calcined gibbsite, in AGU Fall Meeting Abstracts.; 2012.

Sewwandi BGN, Vithanage M, Wijesekara SSRMDHR, Rajapaksha AU, Jayarathna DGLM, Mowjood MIM. Characterization of aqueous Pb (II) and Cd (II) biosorption on native and chemically modified Alstonia macrophylla saw dust. Bioremediation Journal. 2012;16:113–124.

Vithanage M, Jayarathna L, Rajapaksha AU, Dissanayake CB, Bootharaju MS, Pradeep T. Modeling sorption of fluoride on to iron rich laterite. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2012;398:69–75.

Rajapaksha AU, Vithanage M, Oze C, Bandara WMAT, Weerasooriya R. Nickel and manganese release in serpentine soil from the Ussangoda Ultramafic Complex, Sri Lanka. Geoderma. 2012;189:1–9.

Rajapaksha AU, Vithanage M, Weerasooriya R, Dissanayake CB. Surface complexation of nickel on iron and aluminum oxides: a comparative study with single and dual site clays. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2012;405:79–87.

Sewwandi BGN, Wijesekara SSRMDHR, Rajapaksha A, Mowjood MIM, Vithanage M. Risk of soil and water pollution by heavy metals in landfill leachate, in The 12th Annual Conference of Thai Society of Agricultural Engineering.Vol 31.; 2011.

Rajapaksha AU, Vithanage M, Oze C, Weerasooriya R, Bandara WMAT. FORMATION OF CR (VI) RELATED TO CR (III)-MUSCOVITE IN SOIL AND GROUNDWATER SYSTEMS, in 2011 GSA Annual Meeting in Minneapolis.; 2011.

Vithanage MS, Hettiarachchi JK, Rajapaksha AU, Wijesekara H, Hewawasam T. Heavy metals in Ratnapura alluvial gem sediments, Sri Lanka, in AGU Fall Meeting Abstracts.; 2011.

Rajapaksha AU, Vithanage MS, Bandara A, Weerasooriya R. Nickel adsorption on single and dual site clay surfaces; Effect of pH and nickel loadings, in AGU Fall Meeting Abstracts.; 2011.

Vithanage M, Ahmad M, Rajapaksha AU, Sik Ok Y. Application of surface complexation modeling and synchrotron-based spectroscopic techniques to soil and environmental systems. 한국토양비료학회 학술발표회 초록집. 2011:23–24.

Rajapaksha AU, Vithanage M, Jayarathna L, Kumara CK. Natural Red Earth as a low cost material for arsenic removal: Kinetics and the effect of competing ions. Applied geochemistry. 2011;26:648–654.

Rajapaksha A. removal in water—comparison of laboratory controlled, in Arsenic in Geosphere and Human Diseases; Arsenic 2010: Proceedings of the Third International Congress on Arsenic in the Environment (As-2010). CRC Press; 2010:397.