Haris, S.A.Dayarathne, D.A.I.Dharmaratne, D.G.2021-03-032021-03-0310th Anniversary International Symposium:The Issues and Challenges of the 21st Century, 4th-8th July 2006, Sabaragamuwa University of Sri Lanka - Proceedings, pp.267-279https://dl-susl.nsf.gov.lk/handle/1/1091Month of the year effectEfficient market hypothesisStock returnColombo Stock ExchangeConference PaperSUSL Museum