Weerasundara, G.A.Costa, H.H.2015-04-212015-04-212004Weerasundara, G.A. and Costa, H.H. (2004) A systematic study of freshwater Oligochaetes from Sri Lanka II, Spolia Zeylanica, Bulletin of the National Museums of Sri Lanka, 41: 78-91.http://repository.kln.ac.lk/handle/123456789/7003enA systematic study of freshwater Oligochaetes from Sri Lanka IIArticle