Thesis
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Item Some economic aspects of rubber production in Sri Lanka(1974) Chandrasiri, G.R.Item Allocation of labour in smallholder rubber farms in a selected rubber growing area in Sri Lanka: A case study(1980) Gunasekera, H.D.B.H.Item The long term investment decision:A case study of the rubber smallholders of Sri Lanka(1977) Jayasuriya, S.K.W.Item Technical efficiency of rubber production in Sri Lanka:Frontier production funtions approach(1995) Talgaswatta, H.Item Item Allocation of labour in smallholder rubber farms in the selected rubber growing area in Sri Lanka: A case study(1980) Gunasekera, H.D.B.H.Item The endomycorrhizas of rubber growing soils of Sri Lanka and their effect on plant growth(1983) Jayaratne, A.H.R.Item Item Implication of altyernative replanting strategies for the area and production of rubber in Sri Lanka(1980) Premachandra, W.M.