Samarappuli, L.Thevarapperuma, A.Gunatillake, T.2014-07-082014-07-082005Journal of the National Institute of Plantation Management, 21(02):p.25-34https://dl-rri.nsf.gov.lk//handle/1/2309Wedelia trilobata (Arunadevi):Is it a threat to rubber plantationsArticle