Damayanthi, B.T.Karunaratne, S.H.P.P.2010-07-062010-07-062005Journal of the National Science Foundation of Sri Lanka, 33(2):p.115-122https://dl.nsf.gov.lk/handle/1/6279Insect pestsInsecticide resistanceBioassaysEnzyme activityEsterasesAgriculturePredatoryBiological SciencesBiochemical characterization of insecticide resistance in insect pests of vegetables and predatory ladybird beetlesArticle