Amaradasa, R.M.W.Pathirage, R.P.Tennakoon, A.2010-07-062010-07-062003https://dl.nsf.gov.lk/handle/1/5431National surveyResearch and developmentSri LankaR and D expenditureR and D outputR and D personalS and T indicatorsScience and TechnologyNational survey of research and development in Sri Lanka 2000