Dissanayake, H.D.M.A.C.Perera, S.A.C.N.Fernando, W.B.S.Attanayake, R.B.Meegahakumbura, M.G.M.K.Perera, L.2014-06-032014-06-032008Proceedings of the second symposium on plantation crop research "Export competitiveness through quality improvements::p.71-81https://dl-cri.nsf.gov.lk//handle/1/3848Evaluation of the comparative performance of five commercial cultivars under two different agro-ecological zones in Sri Lanka.