Sri Lanka Association for the advancement of science-Proceedings of the 68th ann / Colombo, 2012; edited by Ramanee D.Wijesekera, Mayuri Wijesinghe - Colombo Sri Lanka Association of the Advancement of science 2012 - (v.1-iv, 93 p.) v.1-abstracts. Subjects--Topical Terms: Science-Research Conferece proceedings SLAAS Dewey Class. No.: 507.2 / ANN