Jayawardena, S.N.Muthynayake, M.M.P.Abeysekera, S.W.2022-01-192022-01-192010Annals of the Sri Lanka Department of Agriculture, 12:p.247-256https://dl-doa.nsf.gov.lk/handle/1/4093PaddyRice varietal spreadRecommended rice varietiesTraditional ricePresent Status of Varietal Spread of Rice (Oryza sativa L.) in Sri LankaArticle