Jayasinghe, R.R.2015-04-082015-04-082008Jayasinghe, Ramani Ratnamali, 2008. Negative interference of Sinhala language in learning English as a second language, In: Proceedings of the International Conference on Social Sciences, Sri Lanka, University of Kelaniya, pp 252.http://repository.kln.ac.lk/handle/123456789/6836enArticle