Dimantha, S.De Alwis , K.A.Hector Kobbekaduwa Agrarian Research and Training Institute2014-07-182014-07-181981https://dl-harti.nsf.gov.lk//handle/1/2482vi, (Various Pagings)Land UseSri LankaLand suitability evaluation and land study of the dry intermediate zones of Ratnapura District