Yogaratnam, N.Samarappuli, L.Dissanayake, D.M.A.P.2014-07-102014-07-101991Bulletin of the Rubber Research Institute of Sri Lanka , 28:p.3-13https://dl-rri.nsf.gov.lk//handle/1/2410AgricultureWeed managementIntercroppingChemical controlArticle