Weerasinghe, W.K.M.M.K. පොත පත වත ගොත = potha patha wathagohta - Dalugamas: Author, 2002. - 138p.; 21cm ISBN: 955-96862-2-4 Subjects--Topical Terms: Library ScienceInformation Science Dewey Class. No.: 020.2 / WEE