Etherington, D.M.Jayasuriya, S.K.W.2013-05-082013-05-081977Journal of the Rubber Research Institute of Sri Lanka54(1-2)pp.460-477https://dl-rri.nsf.gov.lk/handle/1/1416EconomicsIntercroppingProductivityAgricultural economicsThe economics of rubber replanting cycles. an interpretive essayA