Dharmasena, C.M.D.Banda, R.M.R.Fernando, M.H.J.R.2012-04-102012-04-102000Tropical Agricultural Research and Extension3(2)pp.133-136https://dl.nsf.gov.lk/handle/1/8037Effect of climatic factors and agronomic practices on brown planthopper (Nilaparvatalugens) out-break in the Anuradhapura District, Sri LankaArticle