Ulluwishewa, Rohana. (1991) 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.
Rohana Ulluwishewa
Fixed Name
Rohana Ulluwishewa
First name
Rohana
Last name
Ulluwishewa
Ulluwishewa, Rohana, and L. Jan Slikkerveer. (1993) 1993. “Indigenous Practices of Aquatic Resource Management in the Dry Zone of Sri Lanka”. In Human Evolution in Its Ecological Context: Proceedings of the Pithecanthropus Centennial 1893-1993 Congress, under the Auspices of the Royal Netherlands Academy of Arts and Sciences. Leiden, The Netherlands: Pithecanthropus Centennial Foundation, Leiden University. http://www.worldcat.org/oclc/36381768.