1995
“Forest Gardens Of Highland Sri Lanka: An Indigenous System For Reclaiming Forest Land”. In The Cultural Dimension Of Development: Indigenous Knowledge Systems, 174-184. London: Intermediate Technology Publications Ltd [Practical Action Publishing]. https://www.worldcat.org/title/59818080.
. 1995. 1991
“Soil Fertility Management Of Paddy Fields By Traditional Farmers In The Dry Zone Of Sri Lanka”. Journal Of Sustainable Agriculture 1 (3): 95-106. doi:10.1300/J064v01n03_08. http://www.tandfonline.com/doi/abs/10.1300/J064v01n03_08.
. 1991.