Jayasinghe, C.K Pesticide residue analysis status in Sri Lanka - Colombo CARP 2006 - i,14 p. Illustration ISBN: 955922431X Subjects--Topical Terms: AGRICULTUREPESTICIDE RESIDUAL EFFECTPESTICIDE RESIDUE ANALYSISPESTICIDESPlant injuries Dewey Class. No.: 632.95042 / PES