Sri Lankawe swabhavika sampath:thathwa saha pravanatha - (:unkn) unknown (NARESA:Colombo; 266p, 1991)
Keywords: Natural resources; Sri Lanka; Population; Energy; Eocnomics; Land Resources; Forest resources; Biodiversity; Marine Resources; Coastal Resources; Eco systems; Water resources; Mineral resources; Sustainable development; Science and Technology