Liyanage, Y.M.H.Abekoon, S.M.A.R.Wijayanthi, P.K.K.Karunarathne, K.M.P.D.Herath, H.M.J.C.K.Kondasinghe, K.L.M.I.2021-07-192021-07-192019Annals of the Sri Lanka Department of Agriculture, 21:p.124-127https://dl-doa.nsf.gov.lk/handle/1/3294Weed seed entry to Sri Lanka with imported vegetable seedArticle