Pathiratna, L.S.S.2014-07-102014-07-102006Bulletin of the Rubber Research Institute of Sri Lanka, 47:p.17-23https://dl-rri.nsf.gov.lk//handle/1/2519AgricultureRubberIntercroppingCinnamonRow spacingCost benefit analysisHevea brasiliensisCinnamon for intercropping under rubberArticle