The Sri Lanka Forester (Formally The Ceylon Forester)

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Guidelines for Sri Lanka's forest policy
(Forest Department:Colombo, 1977) Perera, W. R. H.
The development of the forest resources of Sri Lanka
(Forest Department:Colombo, 1977) Perera, W. R. H.
A position paper on conservation of the Mahaveli Catchment Area
(Forest Department:Colombo, 1978) Perera, W. R. H.
Thotapolakanda - an environmental disaster ?
(Forest Department:Colombo, 1978) Perera, W. R. H.
Catchment areas and the protection of the environment
(Forest Department:Colombo, 1978) Perera, W. R. H.