Magamage, C.Manuweera, G.K.Ekanayake, W.M.2022-01-192022-01-192009Annals of the Sri Lanka Department of Agriculture, 11:p.229-232https://dl-doa.nsf.gov.lk/handle/1/4128Agricultural EconomicsPesticidesChlorpyrifosPesticide residuesAlternate low cost approach on chlorpyrifos residue analysis in vegetablesA