Vidurava ( English )
Permanent URI for this collectionhttps://dl.nsf.gov.lk/handle/1/46
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Item Silent pollution : a disguised threat to man and environment(NSF:Colombo, 2021-01) Dharmasena, P.B.Item The role of agriculture in enhancing food security during pandemic situations(NSF:Colombo, 2020-10) Dharmasena, P.B.Item Sustainable use of earth resources(NSF:Colombo, 2019-10) Dharmasena, P.B.Item Sustainable land management in Sri Lanka(NSF:Colombo, 2019-07) Dharmasena, P.B.Item Indigenous irrigation practices(NSF:Colombo, 2015-01) Dharmasena, P.B.Item Water use in ancient era(National Science Foundation. Colombo, 2013) Dharmasena, P.B.