Dharmakeerthi, R.S.Attygalle, T.R.Mapa, R.B.Perera, S.P.Silva, S.N.2014-07-082014-07-082009Journal of Rubber Research, 12(3):p.164-170https://dl-rri.nsf.gov.lk//handle/1/2282Spatial dependence of selected physico-chemical properties in a major rubber growing soil in Sri LankaArticle