Journals
 

1. Jayatunga G.K, Amarasinghe B.M.W.P.K., Drying Kinetics of Black Pepper Dried in a Spouted Bed Dryer with or without Draft Tubes. International Journal of Manufacturing & Industrial Engineering – IJMIE , Volume 1: Issue 2, pp. 6–10
2. G.K. Jayathunga, B.M.W.P.K. Amarasinghe, Rice Husk Based Adsorbents for Textile Effluent Treatment, October 2009, Journal of The Institute of Engineers, page 122-127, Sri Lanka

Conference proceedings
 

1. G.K. Jayatunga, S.M.N.D Martino and B.M.W. P.K. Amarasinghe, Thin Layer Drying Models for Drying of Black Pepper in Spouted Bed Dryer with Internal Devices. Transaction of IESL annual session. October 2016. Sri Lanka
2. Jayatunga G.K, Amarasinghe B.M.W.P.K.,Mathematical Modeling of Drying Kinetics of Black Pepper in a Spouted Bed Dryer with and without Non Porous Draft Tubes. International Conference on "Trends in Multidisciplinary Business and Economic Research" (TMBER 25-26 March 2015).2015 Global Illuminators, Bangkok, Thailand
3. Jayatunga G.K, Amarasinghe B.M.W.P.K., Effect of Configuration of Draft Tubes on Drying Kinetics of Black Pepper Dried in a Spouted Bed Dryer. Transaction of IESL annual session. October 2014. Sri Lanka
4. Drying Kinetics of Black Pepper in Spouted Bed Dryer. Proceeding of the HETC Symposium. July 2014
5. Amarasinghe B.M.W.P.K. , Jayathunga G.K, Effect of Method of Treatment of Rice Husk on Adsorption of Textile Dyes from Aqueous Solutions, The Proceeding of 3rd International Conference on Chemical & Bioprocess Engineering, 12th – 14th August 2009, University Malaysia Sabah, Kota Kinabalu, Sabah 861
6. Jayatunga GK, Amarasinghe BMWPK, Removal Of Dyes from Waste Water By Thermally Treated Rice Husk, 13th Symposium organized by Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Nugegoda, December 2008 at Kalutara, Sri Lanka
7. Amarasinghe BMWPK, Jayatunga GK, Dhanusekara D, Removal of textile dyes from chemically treated rice husk, Green solutions, 12th Symposium organized by Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Nugegoda, 30 November - 1 December 2007 at Kalutara, Sri Lanka
8. Jayatunga GK, Amarasinghe BMWPK, Rice husk as a low cost adsorbent for removal of Malachite Green & Nylosan blue from aqueous solutions, Seminar proceedings ERU symposium, University of Moratuwa, Oct 2007.
9. Jayatunga G.K And Amarasinghe B.M.W.P.K, Influence of Internal Device On Drying Rate Of Black Pepper In Spouted Bed,Itum Symposium 2016 , Sri Lanka