Perera, R., J. Wattavidanage, and N. Nilakarawasam. “Development of a Macroinvertebrate - Based Index of Biotic Integrity (M-IBI) for Colombo-Sri Jayawardhanapura Canal System (A New Approach to Assess Stream/ Wetland Health)”. Journal of Tropical Forestry and Environment, vol. 2, no. 1, May 2012, doi:10.31357/jtfe.v2i1.32.