Gunasekera, D.C.Senaratne, T.Liyanage, O.D.2010-07-062010-07-061990Sri Lanka Journal of Social Sciences, 13(1 and 2):p.73-77https://dl.nsf.gov.lk/handle/1/5040Colombo stock exchangeEconomicsVolatility in the Colombo stock exchange market:an estimation of betasArticle