Abeysinghe L.S, nugaliyadde L, Mohamed, Chaminda K.H.S, Kanderathne M.D.P, Ranaweera D.I, Madhushani T.P, Sampath H.K.R, Weerakkody W.M.A.S (2012) WHO AND CLASSIFICATION OF PESTICIDES: ITS IMPLICATIONS UNDER SRI LANKAN SCENARIO proceeding of the abstracts of Jaffna university international research conference (JUICE – 2012