Fernando, S.D. and Karunaratne, M. 2012. Ethnobotanicals for Storage Pest Management: Effect of powdered leaves of Olax zeylanica in suppressing infestations of rice weevil Sitophilus oryzae (Coleoptera: Curculionidae). Journal of Tropical Forestry and Environment. 2, 1 (May 2012). DOI:https://doi.org/10.31357/jtfe.v2i1.38.