Fernando, P.R.K.Adhikari, G.2015-04-232015-04-232006Fernando, P.R.K. and Adhikari, G., 2006. Literature evidence of the gem industry in ancient Sri Lanka, Proceedings of the 62nd Annual Sessions of Sri Lanka Association for the Advancement of Science, pp 153.http://repository.kln.ac.lk/handle/123456789/7046enArticle